, 2016. The 16th Division was composed of the following during World War I: ===
47th Brigade=== • 8th (Service) Battalion,
Royal Munster Fusiliers (New Army) (
disbanded 23 November 1916) • 6th (Service) Battalion,
Royal Irish Regiment (
disbanded 9 February 1918) • 7th (Service) Battalion,
Prince of Wales's Leinster Regiment (Royal Canadians); (
disbanded 31 July 1922) • 6th (Service) Battalion,
Connaught Rangers (
left June 1918) • 1st Battalion,
Royal Munster Fusiliers (
joined 22 November 1916 left 20 April 1918) • 2nd Battalion, Leinster Regiment (
joined 2 February 1918 left 23 April 1918) • 18th (Service) Battalion
Welsh Regiment (2nd
Glamorgan), (
joined May 1918) •
14th (Service) Battalion,
Leicestershire Regiment (
joined 26 June 1918) • 9th (Service) Battalion,
Black Watch (Royal Highlanders) (
joined 2 July 1918) • 47th Machine Gun Company,
Machine Gun Corps (M.G.C.) (
joined 28 April 1916, moved to 16th Battalion, M.G.C. 9 March 1918) • 47th Trench Mortar Battery (
formed by 16 June 1916, reformed in England 1918) The 47th Brigade was known as the "Nationalist Brigade" as the majority were men from Redmond's
Irish Volunteers. ===
48th Brigade=== • 9th (Service) Battalion, Royal Munster Fusiliers (New Army) (
disbanded 30 May 1916) • 7th (Service) Battalion,
Royal Irish Rifles (
left 23 August 1917) • 8th (Service) Battalion,
Royal Dublin Fusiliers (
merged with 9th Battalion 24 October 1917 renamed 8th/9th Battalion, disbanded 10 February 1918) • 9th (Service) Battalion, Royal Dublin Fusiliers (
merged with 8th Battalion 24 October 1917, ) • 1st Battalion, Royal Munster Fusiliers (
joined 28 May 1916 left 22 November 1916) • 10th (Service) Battalion, Royal Dublin Fusiliers (
joined 23 June 1917, left 13 February 1918) • 1st Battalion, Royal Dublin Fusiliers (
joined 19 October 1917 left 26 April 1918) • 2nd Battalion, Royal Munster Fusiliers (
joined 3 February 1918 left 19 May 1918) •
22nd (Service) Battalion,
Northumberland Fusiliers (
joined 2 June 1918) • 11th (Service) Battalion,
Royal Irish Fusiliers (
joined 2 June 1918 left August 1918) • 18th (Service) Battalion,
Cameronians (Scottish Rifles) (
joined 2 July 1918) • 5th (Service) Battalion, Royal Irish Fusiliers (
joined 24 August 1918) • 48th Machine Gun Company (
joined 28 April 1916, moved to 16th Battalion, M.G.C. 9 March 1918) • 48th Trench Mortar Battery (
formed by 24 June 1916, reformed in England 1918) ===
49th Brigade=== • 7th (Service) Battalion, Royal Irish Fusiliers (
merged with 8th Battalion 15 October 1916, renamed as 7th/8th Battalion, disbanded February 1918) • 8th (Service) Battalion, Royal Irish Fusiliers (
merged with 7th Battalion 15 October 1916) • 7th (Service) Battalion,
Royal Inniskilling Fusiliers (
merged with 8th Battalion 23 August 1917, renamed as 7th/8th Battalion, left 17 June 1918) • 8th (Service) Battalion, Royal Inniskilling Fusiliers (
merged with 7th Battalion 23 August 1917) • 2nd Battalion, Royal Irish Regiment (
joined 14 October 1916 left 23 April 1918) • 7th (Service) Battalion, Royal Irish Regiment (
South Irish Horse) Battalion,(
joined 17 October 1917 left 17 July 1918) • 34th (Service) Battalion,
London Regiment (County of London) Battalion (
joined 27 June 1918) • 18th (Service) Battalion,
Gloucestershire Regiment (
joined 2 July 1918) • 6th (Service) Battalion,
Prince Albert's (Somerset Light Infantry)- (
joined 4 July 1918) • 49th Machine Gun Company, Machine Gun Corps (
joined 29 April 1916, moved to 16th Battalion, M.G.C 9 March 1918) • 49th Trench Mortar Battery (
formed by 16 June 1916, reformed in England 1918)
Divisional troops • 11th (Service) Battalion,
Hampshire Regiment (
joined 20 September 1914 as divisional pioneers) • 269th Machine Gun Company M.G.C. (
joined 18 January 1918, moved to 16th Battalion M.G.C. 9 March 1918) • 16th Machine Gun Battalion M.G.C. (
formed 9 March 1918, broken up 8 May 1918. A new 16th MG Battalion joined on 2 August 1918) • 19th Entrenching Battalion (
joined 4 April 1918, disbanded 5 May 1918. Troops went to 2nd Royal Munster Fusiliers) • Divisional Mounted Troops • 16th Divisional Cyclist Company
Army Cyclist Corps (
joined 11 December 1914, disbanded 1 June 1916.) • C Squadron,
South Irish Horse (
joined January 1915, left 17 May 1916) • 16th Divisional Train
Army Service Corps • 142nd, 143rd, 144th and 145th Companies • 217th Divisional Employment Company (
formed by 30 June 1917) • 47th Mobile Veterinary Section
Army Veterinary Corps ===
Royal Artillery=== • LXXIV Brigade
Royal Field Artillery (R.F.A.) (
left in July 1915 to join Guards Division) • LXXV Brigade R.F.A. (
as for LXXIV Brigade) • LXXVI Brigade R.F.A. (
as for LXXIV Brigade) • LXXVII (H) Brigade R.F.A. (
left in July 1915 but rejoined 22 February 1916, left 22 February 1917) • CLXXVII Brigade R.F.A. (
joined 22 February 1916) • CLXXX Brigade R.F.A. (
joined 22 February 1916) • CLXXXII Brigade R.F.A. (
joined 22 February 1916, broken up 27 August 1916) • 16th Divisional Ammunition Column R.F.A. (
left in August 1915 to join Guards Division. Replaced 22 February 1916) • 16th Heavy Battery
Royal Garrison Artillery (
raised for the Division but moved independently to France in July 1915) • X.16, Y.16 and Z.16 Medium Trench Mortar Batteries R.F.A. (
joined by June 1916. Z.16 broken up 27 February 1918. X.16 and Y.16 broken up 20 April 1918) • V.16 Heavy Trench Mortar Battery R.F.A. (
joined 5 September 1916, left February 1918) ===
Royal Engineers=== • 75th Field Company (
left 13 August 1915 to join Guards Division) • 76th Field Company (
left 13 August 1915 to join Guards Division) • 16th Divisional Signal (
left 13 August 1915 to join Guards Division, a new Company joined in September 1915) • 95th Field Company (
joined 30 January 1915 from 26th Division, left 17 August 1915 to join 7th Division) • 155th Field Company (
joined August 1915) • 156th Field Company (
joined August 1915) • 157th Field Company (
joined August 1915) ===
Royal Army Medical Corps=== • 48th Field Ambulance (
left June 1915 and joined 37th Division) • 49th Field Ambulance (
as for 48th Coy.) • 50th Field Ambulance (
as for 48th Coy.) • 111th Field Ambulance (
joined September 1915) • 112th Field Ambulance (
joined September 1915) • 113th Field Ambulance (
joined September 1915) • 81st Sanitary Section (
joined before embarkation, left for IX Corps in April 1917) ==General officers commanding==