Officers at Antrim: June 1916
The list below shows the North Irish Horse officers serving at the regimental headquarters and reserve depot at Antrim on 24 June 1916. The reserve comprised three squadrons - B, G and H.
| NAME | DATE JOINED | REMARKS |
| Lieutenant Colone l Eustace Addison Maude | 5 August 1914 | Commanding Regiment |
| Major Emerson Crawford Herdman | 4 November 1915 | Squadron Leader, B Squadron |
| Major Neil Graham Stewart-Richardson | 4 January 1915 | Squadron Leader, H Squadron |
| Major Arthur Bingham Crabbe | 22 January 1916 | Squadron Leader, G Squadron |
| Captain Eustace King-King | 9 July 1915 | From Expeditionary Force, sick leave to 2 July 1916 |
| Captain Robert Livsey Yates | 8 May 1916 | Sick leave |
| Captain Viscount Robert Soame (Earl of Roden) Jocelyn | 8 February 1915 | Sick leave |
| Lieutenant Lancelot Charles Wise | 1 July 1915 | Sick leave |
| Lieutenant Worship Booker | 14 November 1915 | Duty, Depot Squadron |
| Lieutenant Ernest Philip Beresford | 13 September 1915 | Duty, B Squadron |
| 2nd Lieutenant Leslie Ion Stuart | 22 November 1915 | Duty, H Squadron |
| 2nd Lieutenant George Bramato Brown | 22 November 1915 | Duty, H Squadron |
| 2nd Lieutenant Arthur Penrhyn Noyce | 23 November 1915 | Duty, G Squadron |
| 2nd Lieutenant William Bates Smyth | 6 December 1915 | Duty, H Squadron |
| 2nd Lieutenant Charles Murray Cramsie | 9 December 1915 | Duty, G Squadron |
| 2nd Lieutenant Herbert Gavin Elliot | 4 January 1916 | Duty, B Squadron |
| 2nd Lieutenant John Paul Glyn | 15 January 1916 | Duty, G Squadron |
| 2nd Lieutenant Bernard Shaw Harvey | 15 January 1916 | Duty, H Squadron |
| 2nd Lieutenant Stewart Bruce Macduff Bremner | 10 January 1916 | Duty, B Squadron |
| Lieutenant Thomas Aston | 14 September 1915 | Adjutant |
| Lieutenant John Edward Pittaway | 5 August 1914 | Quartermaster |