Article from Stand To! Number 45, 1996
| Number | Type | Date Overseas |
| Guards | Regular formed during war | Aug 1915 |
| 1st | Regular | Aug 1914 |
| 2nd | Regular | Aug 1914 |
| 3rd | Regular | Aug 1914 |
| 4th | Regular | Aug 1914 |
| 5th | Regular | Aug 1914 |
| 6th | Regular | Sept 1914 |
| 7th | Regular formed during war | Oct 1914 |
| 8th | Regular formed during war | Nov 1914 |
| 9th | First New Army | May 1915 |
| 10th | First New Army | July 1915 |
| 11th | First New Army | July 1915 |
| 12th | First New Army | May 1915 |
| 13th | First New Army | July 1915 |
| 14th | First New Army | May 1915 |
| 15th | Second New Army | July 1915 |
| 16th | Second New Army | Dec 1915 |
| 17th | Second New Army | July 1915 |
| 18th | Second New Army | July 1915 |
| 19th | Second New Army | July 1915 |
| 20th | Second New Army | July 1915 |
| 21st | Third New Army | Sept 1915 |
| 22nd | Third New Army | Sept 1915 |
| 23rd | Third New Army | Aug 1915 |
| 24th | Third New Army | Aug 1915 |
| 25th | Third New Army | Sept 1915 |
| 26th | Third New Army | Sept 1915 |
| 27th | Regular formed during war | Dec 1914 |
| 28th | Regular formed during war | Jan 1915 |
| 29th | Regular formed during war | Mar 1915 |
| 30th | Fourth New Army (originally Fifth) | Nov 1915 |
| 31st | Fourth New Army (originally Fifth) | Dec 1915 |
| 32nd | Fourth New Army (originally Fifth) | Nov 1915 |
| 33rd | Fourth New Army (originally Fifth) | Nov 1915 |
| 34th | Fourth New Army (originally Fifth) | Jan 1916 |
| 35th | Fourth New Army (originally Fifth) | Jan 1916 |
| 36th | Fifth New Army (originally Sixth) | Oct 1915 |
| 37th | Fifth New Army (originally Sixth) | July 1915 |
| 38th | Fifth New Army (originally Sixth) | Dec 1915 |
| 39th | Fifth New Army (originally Sixth) | Mar 1916 |
| 40th | Fifth New Army (originally Sixth) | Junc 1916 |
| 41st | Fifth New Army (originally Sixth) | May 1916 |
| 42nd | 1st Line Territorial | Sept 1914 |
| 43rd | 1st Line Territorial | Oct 1914 |
| 44th | 1st Line Territorial | Oct 1914 |
| 45th | 2nd Line Territorial | Dec 1914 |
| 46th | 1st Line Territorial | Feb 1915 |
| 47th | 1st Line Territorial | Mar 1915 |
| 48th | 1st Line Territorial | Mar 1915 |
| 49th | 1st Line Territorial | April 1915 |
| 50th | 1st Line Territorial | April 1915 |
| 51st | 1st Line Territorial | April 1915 |
| 52nd | 1st Line Territorial | May 1915 |
| 53rd | 1st Line Territorial | July 1915 |
| 54th | 1st Line Territorial | July 1915 |
| 55th | 1st Line Territorial | Jan 1916 - Raised overseas |
| 56th | 1st Line Territorial | Feb 1916 - Raised overseas |
| 57th | 2nd Line Territorial | Feb 1917 |
| 58th | 2nd Line Territorial | Jan 1917 |
| 59th | 2nd Line Territorial | Feb 1917 |
| 60th | 2nd Line Territorial | June 1916 |
| 61st | 2nd Line Territorial | May 1916 |
| 62nd | 2nd Line Territorial | - |
| 63rd | 2nd Line Territorial | - |
| 64th | 2nd Line Territorial | - |
| 65th | 2nd Line Territorial | - |
| 66th | 2nd Line Territorial | Feb 1917 |
| 67th | 2nd Line Territorial | - |
| 68th | 2nd Line Territorial | - |
| 69th | 2nd Line Territorial | - |
| 70th | Not formed | - |
| 71st | Home Service | - |
| 72nd | Home Service | - |
| 73rd | Home Service | - |
| 74th | Territorial Yeomanry | Feb 1917 - Raised overseas |
| 75th | British Indian | Feb 1917 - Raised overseas |
The 63rd Division was disbanded in 1916 and the Royal Naval Division then became the 63rd, The RN Division was raised in 1914 from Royal Marines and Royal Naval reservists. It went to Antwerp in October 1914. Source: Becke (op.cit.)
