Territorial Force Third Line and Trianing Battalions

Most of the Territorial Force Bns had formed a Third Line (denoted by a fractional number e.g. 3/4th) by June 1915. These Third Line Bns were used to supply reinforcements to the First and Second Line Bns. The Bns were organised into groups corresponding to the 14 Territorial Force Divisions in the autumn of 1915. In April 1916 the Bns became Reserve Bns and lost the fractional number e.g. the 3/4th Bn became the 4th (Reserve) Bn. On the 1st September 1916 the Groups were into brigades, this reorganisation also involved some of the Reserve Bns being absorbed.

Below is listed all the Third Line and some Second and Fourth Line Bns (which had the same training role). They are organised showing all the various changes into their groups and eventually their Brigades.

If you are unsure of which regiment served with which division place your mouse pointer over the link below and the list of regiments will appear in the space at the side of the list or the Status Bar at the bottom of the page.

 

East Lancashire Reserve Group

Original Battalion.

8 April 1916.

1 September 1916.

     
4/5th Bn Lancashire Fusiliers. 5th (Reserve) Bn Lancashire Fusiliers. None.
3/6th Bn Lancashire Fusiliers. 6th (Reserve) Bn Lancashire Fusiliers. None.
3/7th Bn Lancashire Fusiliers. 7th (Reserve) Bn Lancashire Fusiliers. Absorbed by the 6th (Reserve) Bn Lancashire Fusiliers.
3/8th Bn Lancashire Fusiliers. 8th (Reserve) Bn Lancashire Fusiliers. Absorbed by the 6th (Reserve) Bn Lancashire Fusiliers.
3/4th Bn East Lancashire Regt. 4th (Reserve) Bn East Lancashire Regt. None.
3/5th Bn East lancashire Regt. 5th (Reserve) Bn East Lancashire Regt. Absorbed by the 4th (Reserve) Bn East Lancashire Regt.
3/4th Bn Border Regt 4th (Reserve) Bn Border Regt. None.
3/5th Bn Border Regt. 5th (Reserve) Bn Border Regt. Absorbed by the 4th (Reserve) Bn Border Regt.
3/5th Bn Manchester Regt. 5th (Reserve) Bn Manchester Regt. None.
3/6th Bn Manchester Regt. 6th (Reserve) Bn Manchester Regt. Absorbed by the 5th (Reserve) Bn Manchester Regt.
3/7th Bn Manchester Regt. 7th (Reserve) Bn Manchester Regt. Absorbed by the 5th (Reserve) Bn Manchester Regt.
3/8th Bn Manchester Regt. 8th (Reserve) Bn Manchester Regt. None.
3/9th Bn Manchester Regt. 9th (Reserve) Bn Manchester Regt. Absorbed by the 8th (Reserve) Bn Manchester Regt.
3/10th Bn Manchester Regt. 10th (Reserve) Bn Manchester Regt. Absorbed by the 8th (Reserve) Bn Manchester Regt.

East Lancashire Reserve Brigade TF.

5th (Reserve) Bn Lancashire Fusiliers. 01 Sep 1916 - 11 Nov 1918.
6th (Reserve) Bn Lancashire Fusiliers. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn East Lancashire Regt. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn Border Regt. 01 Sep 1916 - 11 Nov 1918.
5th (Reserve) Bn Manchester Regt. 01 Sep 1916 - 11 Nov 1918.
8th (Reserve) Bn Manchester Regt. 01 Sep 1916 - 11 Nov 1918.

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Wessex Reserve Group

Original Battalion.

8 April 1916.

1 September 1916.

     
3/4th Bn Devonshire Regt. 4th (Reserve) Bn Devonshire Regt. None.
3/5th Bn Devonshire Regt. 5th (Reserve) Bn Devonshire Regt. Absorbed by the 4th (Reserve) Bn Devonshire Regt.
3/6th Bn Devonshire Regt. 6th (Reserve) Bn Devonshire Regt. Absorbed by the 4th (Reserve) Bn Devonshire Regt.
3/4th Bn Somerset Light Infantry. 4th (Reserve) Bn Somerset Light Infantry. None.
3/5th Bn Somerset Light Infantry. 5th (Reserve) Bn Somerset Light Infantry. Absorbed by the 4th (Reserve) Bn Somerset Light Infantry.
3/5th Bn Duke of Cornwall's Light Infantry. 4th (Reserve) Bn Duke of Cornwall's Light Infantry. None.
2/5th Bn Duke of Cornwall's Light Infantry. 5th (Reserve) Bn Duke of Cornwall's Light Infantry. Absorbed by the 4th (Reserve) Bn Duke of cornwall's Light Infantry.
3/4th Bn Hampshire Regt. 4th (Reserve) Bn Hampshire Regt. None.
3/5th Bn Hampshire Regt. 5th (Reserve) Bn Hampshire Regt. None.
2/6th Bn Hampshire Regt. 6th (Reserve) Bn Hampshire Regt. Absorbed by the 5th (Reserve) Bn Hampshire Regt.
3/7th Bn Hampshire Regt. 7th (Reserve) Bn Hampshire Regt. Absorbed by the 5th (Reserve) Bn Hampshire Regt.
2/8th Bn Hampshire Regt. 8th (Reserve) Bn Hampshire Regt. Absorbed by the 4th (Reserve) Bn Hampshire Regt.
3/4th Bn Dorsetshire Regt. 4th (Reserve) Bn Dorsetshire Regt. None.
3/4th Bn Wiltshire Regt. 4th (Reserve) Bn Wiltshire Regt. None.

Wessex Reserve Brigade TF.

4th (Reserve) Bn Devonshire Regt. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn Somerset Light Infantry. 01 Sep 1916 - Apr 1918. To the West Lancashire Reserve Brigade.
4th (Reserve) Bn Duke of Cornwall's Light Infantry. 01 Sep 1916 - Apr 1918. To the 15th Reserve Brigade.
4th (Reserve) Bn Hampshire Regt. 01 Sep 1916 - Apr 1918. To the 15th Reserve Brigade.
5th (Reserve) Bn Hampshire Regt. 01 Sep 1916 - Jun 1917. Absorbed by the 4th (Reserve) Bn.
4th (Reserve) Bn Dorsetshire Regt. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn Wiltshire Regt. 01 Sep 1916 - 11 Nov 1918.

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Home Counties Reserve Group

Original Battalion.

8 April 1916.

1 September 1916.

     
4/4th Bn Queen's. 4th (Reserve) Bn Queen's. None.
3/5th Bn Queen's. 5th (Reserve) Bn Queen's. Absorbed by the 4th (Reserve) Bn Queen's.
3/4th Bn Buffs. 4th (Reserve) Bn Buffs. None.
3/5th Bn Buffs. 5th (Reserve) Bn Buffs. Absorbed by the 4th (Reserve) Bn Buffs.
3/5th Bn East Surrey Regt. 5th (Reserve) Bn East Surrey Regt. None.
3/6th Bn East Surrey Regt. 6th (Reserve) Bn East Surrey Regt. Absorbed by the 5th (Reserve) Bn East Surrey Regt.
2/4th Bn Royal Sussex Regt. 4th (Reserve) Bn Royal Sussex Regt. None.
3/4th Bn Royal Sussex Regt. Absorbed by the 2/4th Bn Sep 1915.  
2/5th Bn Royal Sussex Regt. 5th (Reserve) Bn Royal Sussex Regt. Absorbed by the 4th (Reserve) Bn Royal Sussex Regt.
3/5th Bn Royal Sussex Regt. Absorbed by the 2/5th Bn Sep 1915.  
4/4th Bn Queen's Own. 4th (Reserve) Bn Queen's Own. None.
3/5th Bn Queen's Own. 5th (Reserve) Bn Queen's Own. Absorbed by the 4th (Reserve) Bn Queen's Own.
4/7th Bn Middlesex Regt. 7th (Reserve) Bn Middlesex Regt. None.
4/8th Bn Middlesex Regt. 8th (Reserve) Bn Middlesex Regt. Absorbed by the 7th (Reserve) Bn Middlesex Regt.
3/9th Bn Middlesex Regt. 9th (Reserve) Bn Middlesex Regt. Absorbed by the 7th (Reserve) Bn Middlesex Regt.
4/10th Bn Middlesex Regt. 10th (Reserve) Bn Middlesex Regt. Absorbed by the 7th (Reserve) Bn Middlesex Regt.

Home Counties Reserve Brigade TF.

4th (Reserve) Bn Queen's. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn Buffs. 01 Sep 1916 - 11 Nov 1918.
5th (Reserve) Bn East Surrey Regt. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn Royal Sussex Regt. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn Queen's Own. 01 Sep 1916 - 11 Nov 1918.
7th (Reserve) Bn Middlesex Regt. 01 Sep 1916 - 11 Nov 1918.

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North Midland Reserve Group

Original Battalion.

8 April 1916.

1 September 1916.

     
3/4th Bn Lincolnshire Regt. 4th (Reserve) Bn Lincolnshire Regt. None.
3/5th Bn Lincolnshire Regt. 5th (Reserve) Bn Lincolnshire Regt. Absorbed by the 4th (Reserve) Bn Lincolnshire Regt.
3/4th Bn Leicestershire Regt. 4th (Reserve) Bn Leicestershire Regt. None.
3/5th Bn Leicestershire Regt. 5th (Reserve) Bn Leicestershire Regt. Absorbed by the 4th (Reserve) Bn Leicestershire Regt.
3/5th Bn South Staffordshire Regt. 5th (Reserve) Bn South Staffordshire Regt. None.
3/6th Bn South Staffordshire Regt. 6th (Reserve) Bn South Staffordshire Regt. Absorbed by the 4th (Reserve) Bn South Staffordshire Regt.
3/5th Bn Sherwood Foresters. 5th (Reserve) Bn Sherwood Foresters. None.
3/6th Bn Sherwood Foresters. 6th (Reserve) Bn Sherwood Foresters. Absorbed by the 5th (Reserve) Bn Sherwood Foresters.
3/7th Bn Sherwood Foresters 7th (Reserve) Bn Sherwood Foresters. None.
3/8th Bn Sherwood Foresters. 8th (Reserve) Bn sherwood Foresters. Absorbed by the 7th (Reserve) Bn Sherwood Foresters.
3/5th Bn North Staffordshire Regt. 5th (Reserve) Bn North Staffordshire Regt. None.
3/6th Bn North Staffordshire Regt. 6th (Reserve) Bn North Staffordshire Regt. Absorbed by the 5th (Reserve) Bn North Staffordshire Regt.

North Midland Reserve Brigade TF.

4th (Reserve) Bn Lincolnshire Regt. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn Leicestershire Regt. 01 Sep 1916 - 11 Nov 1918.
5th (Reserve) Bn South Staffordshire Regt. 01 Sep 1916 - 11 Nov 1918.
5th (Reserve) Bn Sherwood Foresters. 01 Sep 1916 - 11 Nov 1918.
7th (Reserve) Bn Sherwood Foresters. 01 Sep 1916 - 11 Nov 1918.
5th (Reserve) Bn North Staffordshire Regt. 01 Sep 1916 - 11 Nov 1918.

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2nd London Reserve Group

Original Battalion.

8 April 1916.

1 September 1916.

     
3/13th Bn London Regt. 13th (Reserve) Bn London Regt. None.
3/14th Bn London Regt. 14th (Reserve) Bn London Regt. None.
3/15th Bn London Regt. 15th (Reserve) Bn London Regt. None.
3/16th Bn London Regt. 16th (Reserve) Bn London Regt. None.
3/17th Bn London Regt. 17th (Reserve) Bn London Regt. None.
3/18th Bn London Regt. 18th (Reserve) Bn London Regt. None.
3/19th Bn London Regt. 19th (Reserve) Bn London Regt. None.
3/20th Bn London Regt. 20th (Reserve) Bn London Regt. None.
3/21st Bn London Regt. 21st (Reserve) Bn London Regt. None.
3/22nd Bn London Regt. 22nd (Reserve) Bn London Regt. None.
3/23rd Bn London Regt. 23rd (Reserve) Bn London Regt. Absorbed by the 21st (Reserve) Bn London Regt.
3/24th Bn London Regt. 24th (Reserve) Bn London Regt. Absorbed by the 22nd (Reserve) Bn London Regt.

2nd London Reserve Brigade TF.

13th (Reserve) Bn London Regt. 01 Sep 1916 - Jan 1918. To the 3rd London Reserve Brigade TF.
14th (Reserve) Bn London Regt. 01 Sep 1916 - 11 Nov 1918.
15th (Reserve) Bn London Regt. 01 Sep 1916 - Jan 1918. To the 3rd London Reserve Brigade TF.
16th (Reserve) Bn London Regt. 01 Sep 1916 - Jan 1918. To the 3rd London Reserve Brigade TF.
17th (Reserve) Bn London Regt. 01 Sep 1916 - Jan 1918. To the 3rd London Reserve Brigade TF.
18th (Reserve) Bn London Regt. 01 Sep 1916 - 11 Nov 1918.
19th (Reserve) Bn London Regt. 01 Sep 1916 - Jan 1918. To the 1st London Reserve Brigade TF.
20th (Reserve) Bn London Regt. 01 Sep 1916 - 11 Nov 1918.
21st (Reserve) Bn London Regt. 01 Sep 1916 - 11 Nov 1918.
22nd (Reserve) Bn London Regt. 01 Sep 1916 - 11 Nov 1918.

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South Midland Reserve Group

Original Battalion.

8 April 1916.

1 September 1916.

     
3/5th Bn Royal Warwickshire Regt. 5th (Reserve) Bn Royal Warwickshire Regt. None.
3/6th Bn Royal Warwickshire Regt. 6th (Reserve) Bn Royal Warwickshire Regt. Absorbed by the 5th (Reserve) Bn Royal Warwickshire Regt.
3/7th Bn Royal Warwickshire Regt. 7th (Reserve) Bn Royal Warwickshire Regt. None.
3/8th Bn Royal Warwickshire Regt. 8th (Reserve) Bn Royal Warwickshire Absorbed by the 7th (Reserve) Bn Royal Warwickshire Regt.
3/4th Bn Gloucestershire Regt. 4th (Reserve) Bn Gloucestershire Regt. None.
3/5th Bn Gloucestershire Regt. 5th (Reserve) Bn Gloucestershire Regt. Absorbed by the 4th (Reserve) Bn Gloucestershire Regt.
3/6th Bn Gloucestershire Regt. 6th (Reserve) Bn Gloucestershire Regt. Absorbed by the 4th (Reserve) Bn Gloucestershire Regt.
3/7th Bn Worcestershire Regt. 7th (Reserve) Bn Worcestershire Regt. None.
3/8th Bn Worcestershire Regt. 8th (Reserve) Bn Worcestershire Regt. Absorbed by the 7th (Reserve) Bn Worcestershire Regt.
3/4th Bn Oxfordshire and Buckinghamshire Light Infantry. 4th (Reserve) Bn Oxfordshire and Buckinghamshire Light Infantry. None.
3/1st Buckinghamshire Bn Oxfordshire and Buckinghamshire Light Infantry. 1st (Reserve) Buckinghamshire Bn Oxfordshire and Buckinghamshire Light Infantry. Absorbed by the 4th (Reserve) Bn Oxfordshire and Buckinghamshire Light Infantry.
3/4th Bn Royal Berkshire Regt. 4th (Reserve) Bn Royal Berkshire Regt. None.

South Midland Reserve Brigade TF.

5th (Reserve) Bn Royal Warwickshire Regt. 01 Sep 1916 - 11 Nov 1918.
7th (Reserve) Bn Royal Warwickshire Regt. 01 Sep 1916 - 11 Non 1918.
4th (Reserve) Bn Gloucestershire Regt. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn Worcestershire Regt. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn Oxfordshire and Buckinghamshire Light Infantry. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn Royal Berkshire Regt. 01 Sep 1916 - 11 Nov 1918.

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West Riding Reserve Group

Original Battalion.

8 April 1916.

1 September 1916.

     
3/5th Bn West Yorkshire Regt. 5th (Reserve) Bn West Yorkshire Regt. None.
3/6th Bn West Yorkshire Regt. 6th (Reserve) Bn West Yorkshire Regt. Absorbed by the 5th (Reserve) Bn West Yorkshire Regt.
3/7th Bn West Yorkshire Regt. 7th (Reserve) Bn West Yorkshire Regt. None.
3/8th Bn West Yorkshire Regt. 8th (Reserve) Bn West Yorkshire Regt. Absorbed by the 7th (Reserve) Bn West Yorkshire Regt.
3/4th Bn Duke of Wellington's Regt. 4th (Reserve) Bn Duke of Wellington's Regt. None.
3/5th Bn Duke of Wellington's Regt. 5th (Reserve) Bn Duke of Wellington's Regt. Absorbed by the 4th (Reserve) Bn Duke of Wellington's Regt.
3/6th Bn Duke of Wellington's Regt. 6th (Reserve) Bn Duke of Wellington's Regt. None.
3/7th Bn Duke of Wellington's Regt. 7th (Reserve) Bn Duke of Wellington's Regt. Absorbed by the 6th (Reserve) Bn Duke of Wellington's Regt.
3/4th Bn King's Own Yorkshire Light Infantry. 4th (Reserve) Bn King's Own Yorkshire Light Infantry. None.
3/5th Bn King's Own Yorkshire Light Infantry. 5th (Reserve) Bn King's Own Yorkshire Light Infantry. Absorbed by the 4th (Reserve) Bn King's Own Yorkshire Light Infantry.
3/4th Bn York and Lancaster Regt. 4th (Reserve) Bn York and Lancaster Regt. None.
3/5th Bn York and Lancaster Regt. 5th (Reserve) Bn York and Lancaster Regt. Absorbed by the 4th (Reserve) York and Lancaster Regt.

West Riding Reserve Brigade TF.

5th (Reserve) Bn West Yorkshire Regt. 01 Sep 1916 - 11 Nov 1918.
7th (Reserve) Bn West Yorkshire Regt. 01 Sep 1916 - 1918. To the 27th Reserve Brigade.
5th (Reserve) Bn Duke of Wellington's Regt. 01 Sep 1916 - 11 Nov 1918.
7th (Reserve) Bn Duke of Wellington's Regt. 01 Srp 1916 - 11 Nov 1918.
4th (Reserve) Bn King's Own Yorkshire Light Infantry. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn York and Lancaster Regt. 01 Sep 1916 - 11 Nov 1918.
3rd (Reserve) Bn Royal Irish Fusiliers. Jul 1918 - 11 Nov 1918.

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Northumbrian Reserve Group

Original Battalion.

8 April 1916.

1 September 1916.

     
3/4th Bn Northumberland Fusiliers. 4th (Reserve) Bn Northumberland Fusiliers. None.
3/5th Bn Northumberland Fusiliers. 5th (Reserve) Bn Northumberland Fusiliers. Absorbed by the 4th (Reserve) Bn Northumberland Fusiliers.
3/6th Bn Northumberland Fusiliers. 6th (Reserve) Bn Northumberland Fusiliers. Absorbed by the 4th (Reserve) Bn Northumberland Fusiliers.
3/7th Bn Northumberland Fusiliers. 7th (Reserve) Bn Northumberland Fuiliers. Absorbed by the 4th (Reserve) Bn Northumberland Fusiliers.
3/4th Bn East Yorkshire Regt. 4th (Reserve) Bn East Yorkshire Regt. None.
3/4th Bn Yorkshire Regt. 4th (Reserve) Bn Yorkshire Regt. None.
3/5th Bn Yorkshire Regt. 5th (Reserve) Bn Yorkshire Regt. Absorbed by the 4th (Reserve) Bn Yorkshire Regt.
3/5th Bn Durham Light Infantry. 5th (Reserve) Bn Durham Light Infantry. None.
3/6th Bn Durham Light Infantry. 6th (Reserve) Bn Durham Light Infantry. Absorbed by the 5th (Reserve) Bn Durham Light Infantry.
3/7th Bn Durham Light Infantry. 7th (Reserve) Bn Durham Light Infantry. Absorbed by the 5th (Reserve) Bn Durham Light Infantry.
3/8th Bn Durham Light Infantry. 8th (Reserve) Bn Durham Light Infantry. Absorbed by the 5th (Reserve) Bn Durham Light Infantry.
3/9th Bn Durham Light Infantry. 9th (Reserve) Bn Durham Light Infantry. Absorbed by the 5th (Reserve) Bn Durham Light Infantry.

Northumbrian Reserve Brigade TF.

4th (Reserve) Bn Northumberland Fusiliers. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn East Yorkshire Regt. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn Yorkshire Regt. 01 Sep 1916 - 11 Nov 1918.
5th (Reserve) Bn Durham Light Infantry. 01 Sep 1916 - 11 Nov 1918.

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Highland Reserve Group

Original Battalion.

8 April 1916.

1 September 1916.

     
3/4th Bn Black Watch. 4th (Reserve) Bn Black Watch. None.
3/5th Bn Black Watch. 5th (Reserve) Bn Black Watch. Absorbed by the 4th (Reserve) Bn Black Watch.
3/6th Bn Black Watch. 6th (Reserve) Bn Black Watch. Absorbed by the 4th (Reserve) Bn Black Watch.
3/7th Bn Black Watch. 7th (Reserve) Bn Black Watch. Absorbed by the 4th (Reserve) Bn Black Watch.
3/4th Bn Seaforth Highlanders. 4th (Reserve) Bn Seaforth Highlanders. None.
3/5th Bn Seaforth Highlanders. 5th (Reserve) Bn Seaforth Highlanders. Absorbed by the 4th (Reserve) Bn Seaforth Highlanders.
3/6th Bn Seaforth Highlanders. 6th (Reserve) Bn Seaforth Highlanders. Absorbed by the 4th (Reserve) Bn Seaforth Highlanders.
3/4th Bn Gordon Highlanders. 4th (Reserve) Bn Gordon Highlanders. None.
3/5th Bn Gordon Highlanders. 5th (Reserve) Bn Gordon Highlanders. Absorbed by the 4th (Reserve) Bn Gordon Highlanders.
3/6th Bn Gordon Highlanders. 6th (Reserve) Bn Gordon Highlanders. Absorbed by the 4th (Reserve) Bn Gordon Highlanders.
3/4th Bn Queen's Own Cameron Highlanders. 4th (Reserve) Bn Queen's Own Cameron Highlanders. Disbanded Jul 1916.
3/5th Bn Argyll and Sutherland Highlanders. 5th (Reserve) Bn Argyll and Sutherland Highlanders. None.
3/6th Bn Argyll and Sutherland Highlanders. 6th (Reserve) Bn Argyll and Sutherland Highlanders. Absorbed by the 5th (Reserve) Bn Argyll and Sutherland Highlanders.
3/7th Bn Argyll and Sutherland Highlanders. 7th (Reserve) Bn Argyll and Sutherland Highlanders. Absorbed by the 5th (Reserve) Bn Argyll and Sutherland Highlanders.
3/8th Bn Argyll and Sutherland Highlanders. 8th (Reserve) Bn Argyll and Sutherland Highlanders. Absorbed by the 5th (Reserve) Bn Argyll and Sutherland Highlanders.
3/9th Bn Argyll and Sutherland Highlanders. 9th (Reserve) Bn Argyll and Sutherland Highlanders. Absorbed by the 5th (Reserve) Bn Argyll and Sutherland Highlanders.

Highland Reserve Brigade TF.

4th (Reserve) Bn Black Watch. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn Seaforth Highlanders. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn Gordon Highlanders. 01 Sep 1916 - 11 Nov 1918.
5th (Reserve) Bn Argyll and Sutherland Highlanders. 01 Sep 1916 - 11 Nov 1918.

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Lowland Reserve Group

Original Battalion.

8 April 1916.

1 September 1916.

     
3/4th Bn Royal Scots. 4th (Reserve) Bn Royal Scots. None.
3/5th Bn Royal Scots. 5th (Reserve) Bn Royal Scots. Absorbed by the 4th (Reserve) Bn Royal Scots.
3/6th Bn Royal Scots. 6th (Reserve) Bn Royal Scots. Absorbed by the 4th (Reserve) Bn Royal Scots.
3/7th Bn Royal Scots. 7th (Reserve) Bn Royal Scots. Absorbed by the 4th (Reserve) Bn Royal Scots.
3/8th Bn Royal Scots. 8th (Reserve) Bn Royal Scots. Absorbed by the 4th (Reserve) Bn Royal Scots.
3/9th Bn Royal Scots. 9th (Reserve) Bn Royal Scots. None.
3/10th Bn Royal Scots. Disbanded Mar 1916. Personnel to the 1/10th Bn, 2/10th Bn and the Machine Gun Corps.  
3/4th Bn Royal Scots Fusiliers. 4th (Reserve) Bn Royal Scots Fusiliers. None.
3/5th Bn Royal Scots Fusiliers. 5th (Reserve) Bn Royal Scots Fusiliers. Absorbed by the 4th (Reserve) Bn Royal Scots Fusiliers.
3/4th Bn King's Own Scottish Borderers. 4th (Reserve) Bn King's Own Scottish Borderers. None.
3/5th Bn King's Own Scottish Borderers. 5th (Reserve) Bn Knig's Own Scottish Borderers. Absorbed by the 4th (Reserve) BnKing's Own Scottish Borderers.
3/5th Bn Cameronians. 5th (Reserve) Bn Cameronians. None.
3/6th Bn Cameronians. 6th (Reserve) Bn Cameronians. Absorbed by the 5th (Reserve) Bn Cameronians.
3/7th Bn Cameronians. 7th (Reserve) Bn Cameronians. Absorbed by the 5th (Reserve) Bn Cameronians.
3/8th Bn Cameronians. 8th (Reserve) Bn Cameronians. Absorbed by the 5th (Reserve) Bn Cameronians.
3/5th Bn Highland Light Infantry. 5th (Reserve) Bn Highland Light Infantry. None.
3/6th Bn Highlnad Light Infantry. 6th (Reserve) Bn Highland Light Infantry. None.
3/7th Bn Highland Light Infantry. 7th (Reserve) Bn Highland Light Infantry. Absorbed by the 5th (Reserve) Bn Highland Light Infantry.
3/9th Bn Highland Light Infantry. 9th (Reserve) Bn Highland Light Infantry. Absorbed by the 6th (Reserve) Bn Highland Light Infantry.

Lowland Reserve Brigade TF.

4th (Reserve) Bn Royal Scots. 01 Sep 1916 - Nov 1917. To the Edinburgh Special Reserve Brigade.
9th (Reserve) Bn Royal Scots. 01 Sep 1916 - Jun 1917. Absorbed by the 4th (Reserve) Bn Royal Scots.
4th (Reserve) Bn Royal Scots Fusiliers. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn King's Own Scottish Borderers. 01 Sep 1916 - 11 Nov 1918.
5th (Reserve) Bn Cameronians. 01 Sep 1916 - 11 Nov 1918.
5th (Reserve) Bn Highland Light Infantry. 01 Sep 1916 - 11 Nov 1918.
6th (Reserve) Bn Highland Light Infantry. 01 Sep 1916 - Jul 1917. Absorbed by the 5th (Reserve) Bn Highland Light Infantry.

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Welsh Reserve Group

Original Battalion.

8 April 1916.

1 September 1916.

     
3/4th Bn Cheshire Regt. 4th (Reserve) Bn Cheshire Regt. None.
3/5th Bn Cheshire Regt. 5th (Reserve) Bn Cheshire Regt. Absorbed by the 4th (Reserve) Bn Cheshire Regt.
3/6th Bn Cheshire Regt. 6th (Reserve) Bn Cheshire Regt. Absorbed by the 4th (Reserve) Bn Cheshire Regt.
3/7th Bn Cheshire Regt. 7th (Reserve) Bn Cheshire Regt. Absorbed by the 4th (Reserve) Bn Cheshire Regt.
3/4th Bn Royal Welsh Fusiliers. 4th (Reserve) Bn Royal Welsh Fusiliers. None.
3/5th Bn Royal Welsh Fusiliers. 5th (Reserve) Bn Royal Welsh Fusiliers. Absorbed by the 4th (Reserve) Bn Royal Welsh Fusiliers.
3/6th Bn Royal Welsh Fusiliers. 6th (Reserve) Bn Royal Welsh Fusiliers. Absorbed by the 4th (Reserve) Bn Royal Welsh Fusiliers.
3/7th Bn Royal Welsh Fusiliers. 7th (Reserve) Bn Royal Welsh Fusiliers. Absorbed by the 4th (Reserve) Bn Royal Welsh Fusiliers.
3/1st Bn Brecknockshire Bn (SWB). 1st (Reserve) Brecknockshire Bn (SWB). None.
3/4th Bn Welsh Regt. 4th (Reserve) Bn Welsh Regt. None.
3/5th Bn Welsh Regt. 5th (Reserve) Bn Welsh Regt. Absorbed by the 4th (Reserve) Bn Welsh Regt.
3/6th Bn Welsh Regt. 6th (Reserve) Bn Welsh Regt. Absorbed by the 4th (Reserve) Bn Welsh Regt.
3/4th Bn Shropshire Light Infantry. 4th (Reserve) Bn Shropshire Light Infantry. None.
3/1st Bn Monmouthshire Regt. 1st (Reserve) Bn Monmouthshire Regt. None.
3/2nd Bn Monmouthshire Regt. 2nd (Reserve) Bn Monmouthshire Regt. Absorbed by the 1st (Reserve) Bn Monmouthshire Regt.
3/3rd Bn Monmouthshire Regt. 3rd (Reserve) Bn Monmouthshire Regt. Absorbed by the 1st (Reserve) Bn Monmouthshire Regt.
3/1st Bn Herefordshire Regt. 1st (Reserve) Bn Herefordshire Regt. None.

Welsh Reserve Brigade TF.

4th (Reserve) Bn Cheshire Regt. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn Royal Welsh Fusiliers. 01 Sep 1916 - 11 Nov 1918.
1st (Reserve) Brecknockshire Bn (SWB). 01 Sep 1916 - Aug 1917. Absorbed by the 1st (Reserve) Bn Monmouthshire Regt.
4th (Reserve) Bn Welsh Regt. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn Shropshire Light Infantry. 01 Sep 1916 - 11 Nov 1918.

1st (Reserve) Bn Monmouthshire Regt. 01 Sep 1916 - 11 Nov 1918.
1st (Reserve) Bn Herefordshire Regt. 01 Sep 1916 - 24 Jul 1917. Absorbed by the 4th (Reserve) Bn Shropshire Light Infantry.

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East Anglian Reserve Group

Original Battalion.

8 April 1916.

1 September 1916.

     
3/4th Bn Norfolk Regt. 4th (Reserve) Bn Norfolk Regt. None.
3/5th Bn Norfolk Regt. 5th (Reserve) Bn Norfolk Regt. Absorbed by the 4th (Reserve) Bn Norfolk Regt.
3/4th Bn Suffolk Regt. 4th (Reserve) Bn Suffolk Regt. None.
3/5th Bn Suffolk Regt. 5th (Reserve) Bn Suffolk Regt. Absorbed by the 4th (Reserve) Bn Suffolk Regt.
3/5th Bn Bedfordshire Regt. 5th (Reserve) Bn Bedfordshire Regt. None
3/4th Bn Essex Regt. 4th (Reserve) Bn Essex Regt. None.
3/5th Bn Essex Regt. 5th (Reserve) Bn Essex Regt. Absorbed by the 4th (Reserve) Bn Essex Regt.
3/6th Bn Essex Regt. 6th (Reserve) Bn Essex Regt. Absorbed by the 4th (Reserve) Bn Essex Regt.
3/7th Bn Essex Regt. 7th (Reserve) Bn Essex Regt. Absorbed by the 4th (Reserve) Bn Essex Regt.
3/4th Bn Northamptonshire Regt. 4th (Reserve) Bn Northamptonshire Regt. None.
3/1st Bn Cambridgeshire Regt. 1st (Reserve) Bn Cambridgeshire Regt. None.
3/1st Bn Hertfordshire Regt. 1st (Reserve) Bn Herefordshire Regt. None.

East Anglian Reserve Brigade TF.

4th (Reserve) Bn Norfolk Regt. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn Suffolk Regt. 01 Sep 1916 - 23 Jul 1917. Amalgamated with the 1st (Reserve) Bn Cambridgeshire Regt to form the Cambridgeshire and Suffolk Reserve Bn.
Cambridgeshire and Suffolk Reserve Bn. 23 Jul 1917 - 11 Nov 1918.
5th (Reserve) Bn Bedfordshire Regt. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn Essex Regt. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn Northamptonshire Regt. 01 Sep 1916 - 11 Nov 1918.
1st (Reserve) Bn Cambridgeshire Regt. 01 Sep 1916 - 23 Jul 1917. Amalgamated with the 4th (Reserve) Bn Suffolk Regt to form the Cambridgeshire and Suffolk Reserve Bn.
1st (Reserve) Bn Hertfordshire Regt. 01 Sep 1916 - 11 Jul 1917. Absorbed by the 5th (Reserve) Bn Bedfordshire Regt.

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West Lancashire Reserve Group

Original Battalion.

8 April 1916.

1 September 1916.

     
2/4th Bn King's Own. 4th (Reserve) Bn King's Own. None.
3/4th Bn King's Own. Absorbed by the 2/4th Bn 18 Jan 1916.  
3/5th Bn King's Own. 5th (Reserve) Bn King's Own. Absorbed by the 4th (Reserve) Bn King's Own.
3/5th Bn King's. 5th (Reserve) Bn King's. None.
3/6th Bn King's. 6th (Reserve) Bn King's. Absorbed by the 5th (Reserve) Bn King's.
3/7th Bn King's. 7th (Reserve) Bn King's. None.
3/8th Bn King's. 8th (Reserve) Bn King's. Absorbed by the 7th (Reserve) Bn King's.
3/9th Bn King's. 9th (Reserve) Bn King's. Absorbed by the 7th (Reserve) Bn King's.
3/10th Bn King's. 10th (Reserve) Bn King's. None.
3/4th Bn South Lancashire Regt. 4th (Reserve) Bn South Lancashire Regt. None.
3/5th Bn South Lancashire Regt. 5th (Reserve) South Lancashire Regt. Absorbed by the 4th (Reserve) Bn South Lancashire Regt.
3/4th Bn Loyal North Lancashire Regt. 4th (Reserve) Bn Loyal North Lancashire Regt. None.
3/5th Bn Loyal North Lancashire Regt. 5th (Reserve) Bn Loyal North Lancashire Regt. Absorbed by the 4th (Reserve) Bn Loyal North Lancashire Regt.

West Lancashire Reserve Brigade TF.

4th (Reserve) Bn King's Own. 01 Sep 1916 - 11 Nov 1918.
5th (Reserve) Bn King's. 01 Sep 1916 - 11 Nov 1918.
7th (Reserve) Bn King's. 01 Sep 1916 - 11 Nov 1918.
10th (Reserve) Bn King's. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn Somerset Light Infantry. Apr 1918 - 11 Nov 1918.
3rd (Reserve) Bn Royal Iniskilling Fusiliers. Apr 1918 - 11 Nov 1918.
4th (Reserve) Bn South Lancashire Regt. 01 Sep 1916 - 11 Nov 1918.
4th (Reserve) Bn Loyal North Lancashire Regt. 01 Sep 1916 - 11 Nov 1918.

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1st London Reserve Group

Original Battalion.

8 April 1916.

1 September 1916.

     
3/1st Honourable Artillery company. 1st (Reserve) Bn Honourable Artillery Company. None.
4/1st Bn London Regt. 1st (Reserve) Bn London Regt. None.
4/2nd Bn London Regt. 2nd (Reserve) Bn London Regt. Absorbed by the 1st (Reserve) Bn London Regt.
4/3rd Bn London Regt. 3rd (Reserve) Bn London Regt. None.
4/4th Bn London Regt. 4th (Reserve) Bn London Regt. Absorbed by the 3rd (Reserve) Bn London Regt.
3/5th Bn London Regt. 5th (Reserve) Bn London Regt. None.
3/6th Bn London Regt. 6th (Reserve) Bn London Regt. None.
3/7th Bn London Regt. 7th (Reserve) Bn London Regt. None.
3/8th Bn London Regt. 8th (Reserve) Bn London Regt. None.
3/9th Bn London Regt. 9th (Reserve) Bn London Regt. None.
3/10th Bn London Regt. 10th (Reserve) Bn London Regt. None.
3/11th Bn London Regt. 11th (Reserve) Bn London Regt. Absorbed by the 9th (Reserve) Bn London Regt.
3/12th Bn London Regt. 12th (Reserve) Bn London Regt. Absorbed by the 9th (Reserve) Bn London Regt.

1st London Reserve Brigade TF.

1st (Reserve) Bn Honourable Artillery Company. 01 Sep 1916 - 11 Nov 1918.
1st (Reserve) Bn London Regt. 01 Sep 1916 - 11 Nov 1918.
3rd (Reserve) Bn London Regt. 01 Sep 1916 - 11 Nov 1918.
5th (Reserve) Bn London Regt. 01 Sep 1916 - 11 Nov 1918.
6th (Reserve) Bn London Regt. 01 Sep 1916 - 11 Nov 1918.
7th (Reserve) Bn London Regt. 01 Sep 1916 - 11 Nov 1918.
8th (Reserve) Bn London Regt. 01 Sep 1916 - 11 Nov 1918.
9th (Reserve) Bn London Regt. 01 Sep 1916 - 11 Nov 1918.
10th (Reserve) Bn London Regt. 01 Sep 1916 - 11 Nov 1918.
19th (Reserve) Bn London Regt. Mar 1918 - 11 Nov 1918.

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3rd London Reserve Brigade TF.

13th (Reserve) Bn London Regt. Jan 1918 - 11 Nov 1918.
15th (Reserve) Bn London Regt. Jan 1918 - 11 Nov 1918.
16th (Reserve) Bn London Regt. Jan 1918 - 11 Nov 1918.
17th (Reserve) Bn London Regt. Jan 1918 - 11 Nov 1918.

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