| September 1914 |
| 1st RN Brigade |
|
2nd RN Brigade |
|
3rd RN Brigade |
| Benbow |
Anson |
Chatham |
| Collingwood |
Hood |
Deal |
| Drake |
Howe |
Portsmouth |
| Hawke |
Nelson |
Plymouth |
Divisional - Engineers
|
| |
|
|
|
| March 1915 |
| 1st RN Brigade |
|
2nd RN Brigade |
|
3rd RN Brigade |
| Deal |
Anson |
Chatham |
| Drake |
Hood |
Portsmouth |
| Nelson |
Howe |
Plymouth |
| |
|
|
| Divisional - addition of Train, Medical, Veterinary and Cyclist units |
| Mar Armoured Motor Machine-Gun Squadron attached |
|
|
| May 1915 |
| 1st RN Brigade |
|
2nd RN Brigade |
|
3rd RN Brigade |
| Benbow |
Anson |
Chatham |
| Drake |
Collingwood |
Deal |
| Hawke |
Hood |
Portsmouth |
| Nelson |
Howe |
Plymouth |
| Divisional - as March '15 |
May Armoured Motor Machine-Gun Squadron detached
June Deal Battalion disbanded |
|
|
|
| July 1915 |
| 1st RN Brigade |
|
2nd RN Brigade |
| Drake |
1st RMLI |
| Hawke |
2nd RMLI |
| Hood |
Anson |
| Nelson |
Howe |
| Divisional - as March '15 |
| Oct 2/2 & 2/4 London Regiment reinforce the Division for the remainder of the Gallipoli campaign |
|
|
| July 1916 |
| 188th Brigade |
|
189th Brigade |
|
190th Brigade |
| 1st RMLI |
Drake |
1st HAC |
| 2nd RMLI |
Hawke |
4th Bedfords |
| Anson |
Hood |
7th Royal Fusiliers |
| Howe |
Nelson |
10th Dublin Fusiliers |
| 188th T/Mortar bty. |
189th T/Mortar bty. |
190th T/Mortar bty. |
| 188th M/Gun coy. |
|
190th M/Gun coy. |
| Divisional - addition of Artillery and Pioneer units. Cyclist coy disbanded |
Dec 189th M/Gun coy. formed??
Jan Engineers transferred to Royal Engineers |
|
|
|
| June 1917 |
| 188th Brigade |
|
189th Brigade |
|
190th Brigade |
| 1st RMLI |
Drake |
4th Bedfords |
| 2nd RMLI |
Hawke |
7th Royal Fusiliers |
| Anson |
Hood |
Artist's Rifles |
| Howe |
Nelson |
5th KSLI |
| 188th T/Mortar bty. |
189th T/Mortar bty. |
190th T/Mortar bty. |
| 188th M/Gun coy. |
189th M/Gun coy. |
190th M/Gun coy. |
Divisional - as July '16
|
| Mar Brigade MGC amalgamated into single unit |
| |
|
|
| January 1918 |
| 188th Brigade |
|
189th Brigade |
|
190th Brigade |
| 1st RMLI |
Drake |
4th Bedfords |
| 2nd RMLI |
Hawke |
7th Royal Fusiliers |
| Anson |
Hood |
Artist's Rifles |
| 188th T/Mortar bty. |
189th T/Mortar bty. |
190th T/Mortar bty. |
| 188th M/Gun coy. |
189th M/Gun coy. |
190th M/Gun coy. |
| Divisional - as July '16 |
| |
|
|
|
| April 1918 through to the Armistice |
| 188th Brigade |
|
189th Brigade |
|
190th Brigade |
| RMLI |
Drake |
4th Bedfords |
| Anson |
Hawke |
7th Royal Fusiliers |
| 2nd Irish Rifles |
Hood |
Artist's Rifles |
| 188th T/Mortar bty. |
189th T/Mortar bty. |
190th T/Mortar bty. |
| |
|
|
| Divisional - addition of 63rd MGC |
| |
|
|