Officers: A to Z
To learn more about any of the men listed below, either click on their name (where there is a link), or find their name in the record of their Company under the 'Roll Call' link.
| NAME | RANK |
COMPANY | BATTALION | CONTINGENT |
| Anderson, T. A. J. | Veterinary Lieutenant | Staff | 12th Battalion | Second Contingent |
| Armstrong, Sir Andrew H., Bart. | Lieutenant | 61st (South Irish Horse) Company | 17th Battalion | First Contingent |
| Bailey, Alexander Taylor | Lieutenant | 74th (Dublin) Company (New) | 8th Battalion | Second Contingent |
| Banon, F. L. | Lieutenant-Colonel | Staff | 17th Battalion | Second Contingent |
| Barlow, H. | Captain | 74th (Dublin) Company | 16th Battalion | First Contingent |
| Bayliss, James William | Hon. Lieut, & Quartermaster | Staff | 29th Battalion | Third Contingent |
| Benson, John Ingham | Lieutenant | 45th (Dublin) Company | 13th Battalion | First Contingent |
| Blackburne, John G., Gent. | Lieutenant | 45th (Dublin) Company | 13th Battalion | First Contingent |
| Blake (Gent.), St. John Robert Bowen | Lieutenant | 131st (Irish Horse) Company | 29th Battalion | Third Contingent |
| Blake, Thomas A. | Lieutenant & Quartermaster | Staff | 16th Battalion | First Contingent |
| Booker, Henry Whitford | Lieutenant | 61st (South Irish Horse) Company (New) | 17th Battalion | Second Contingent |
| Bowes-Lyon, the Hon. Malcolm | Captain | 131st (Irish Horse) Company | 29th Battalion | Third Contingent |
| Brabazon, Hon. Claude M. P. | Lieutenant | 176th (Irish Horse) Company | 29th Battalion | Third Contingent |
| Brook, C. | Captain & Adjutant | Staff | 16th Battalion | First Contingent |
| Brooke, H. H. | Lieutenant | 134th (Irish Horse) Company (Ulster) | 29th Battalion | Third Contingent |
| Browne, J. | Captain & Adjutant | Staff | 17th Battalion | First Contingent |
| Butler (Gent.), Harry Claude | Lieutenant | 133rd (Irish Horse) Company (Ulster) | 29th Battalion | Third Contingent |
| Butler, William Mahoney | Lieutenant | 61st (South Irish Horse) Company (New) | 17th Battalion | Second Contingent |
| Calwell (Gent.), Alexander McDonnell | Lieutenant | 60th (North Irish Horse) Company | 17th Battalion | First Contingent |
| Carden, Henry Charles | Captain | 61st (South Irish Horse) Company | 17th Battalion | First Contingent |
| Chapman, W. H. | Machine Gun Commander | Staff | 8th Battalion | Second Contingent |
| Chesney, Kellew | Lieutenant-Colonel | Staff | 8th Battalion | Second Contingent |
| Coles, L. H. | Lieutenant & Quartermaster | Staff | 17th Battalion | First Contingent |
| Cowan (Gent.), Charles George | Lieutenant | 134th (Irish Horse) Company (Ulster) | 29th Battalion | Third Contingent |
| Craig, James | Lieutenant | 46th (Belfast) Company | 13th Battalion | First Contingent |
| Captain | 134th (Irish Horse) Company (Ulster) | 29th Battalion | Third Contingent | |
| Crawford, Hedley Reginald Henry | Lieutenant | 176th (Irish Horse) Company | 29th Battalion | Third Contingent |
| Crichton, Hubert F. | Captain | 132nd (Irish Horse) Company | 29th Battalion | Third Contingent |
| Cunningham, E. A. | Major | Staff | 12th Battalion | Second Contingent |
| Dales (Gent.), Harvey | Lieutenant | 60th (North Irish Horse) Company | 17th Battalion | First Contingent |
| Captain | 60th (North Irish Horse) Company (New) | 17th Battalion | Second Contingent | |
| De Burgh (Gent.), T. J. | Major/ Lieutenant-Colonel | Staff | 17th Battalion | First Contingent |
| de Rougemont, C. H., DSO | Lieutenant-Colonel | Staff | 12th Battalion | Second Contingent |
| Deare, F. A. | Lieutenant-Colonel | Staff | 8th Battalion | Second Contingent |
| Despard, Charles Beauclerk | Lieutenant | 74th (Dublin) Company (New) | 8th Battalion | Second Contingent |
| Devenish-Meares, Leycester Francis | Lieutenant | 61st (South Irish Horse) Company (New) | 17th Battalion | Second Contingent |
| Captain | 60h (North Irish Horse) Company (New) | 17th Battalion | Second Contingent | |
| Dickinson (Gent.), Harold E. | Lieutenant & Quartermaster | Staff | 13th Battalion | First Contingent |
| Dicks (Gent.), Valentine | Lieutenant | 74th (Dublin) Company | 16th Battalion | First Contingent |
| Donnelly Esq., Crawford S. | Lieutenant | 54th (Belfast) Company | 13th Battalion | First Contingent |
| Dooley Edwin E. | Lieutenant | 46th (Belfast) Company (New) | 12th Battalion | Second Contingent |
| Dyer, J. E. F. | Major | Staff | 8th Battalion | Second Contingent |
| Fenner (Gent.) MRCVS, Edgar Alfred Lowdell | Veterinary Lieutenant | Staff | 13th Battalion | First Contingent |
| Fingall, Arthur J. Earl of | Lieutenant | 61st (South Irish Horse) Company | 17th Battalion | First Contingent |
| Ford, Hugh R. L. | Lieutenant | 74th (Dublin) Company (New) | 8th Battalion | Second Contingent |
| Lieutenant | 133rd (Irish Horse) Company (Ulster) | 29th Battalion | Third Contingent | |
| French, C. J. | Lieutenant | 60th (North Irish Horse) Company (New) | 17th Battalion | Second Contingent |
| Fuller, H. J. | Captain & Adjutant | Staff | 17th Battalion | Second Contingent |
| Garstin, Lionel Norman | Lieutenant | 74th (Dublin) Company (New) | 8th Battalion | Second Contingent |
| Gibson, Hon. Victor | Lieutenant | 132nd (Irish Horse) Company | 29th Battalion | Third Contingent |
| Gorringe, A. A. | Captain | 176th (Irish Horse) Company | 29th Battalion | Third Contingent |
| Gray (Gent.), Arthur | Lieutenant | 131st (Irish Horse) Company | 29th Battalion | Third Contingent |
| Greer, T. McGregor | Lieutenant | 74th (Dublin) Company | 16th Battalion | First Contingent |
| Guy, A. H. | Lieutenant | 60th (North Irish Horse) Company (New) | 17th Battalion | Second Contingent |
| Hackett, T. D. H. | Lieutenant | 133rd (Irish Horse) Company (Ulster) | 29th Battalion | Third Contingent |
| Hadley (Gent.) MB, F.A. | Surgeon Captain | Staff | 13th Battalion | First Contingent |
| Hare, Richard Granville, Viscount Ennismore | Lieutenant | 45th (Dublin) Company | 13th Battalion | First Contingent |
| Captain | 99th (Irish) Company | 8th Battalion | Second Contingent | |
| Harland, William | Captain | 46th (Belfast) Company (New) | 12th Battalion | Second Contingent |
| Harvey, H. C. | Lieutenant | 60th (North Irish Horse) Company | 17th Battalion | First Contingent |
| Hayes (Gent.), Charles Bianconi | Lieutenant | 133rd (Irish Horse) Company (Ulster) | 29th Battalion | Third Contingent |
| Healy, Guy R. | Lieutenant | 99th (Irish) Company | 8th Battalion | Second Contingent |
| Heslip (Gent.), Isaac | Lieutenant | 134th (Irish Horse) Company (Ulster) | 29th Battalion | Third Contingent |
| Hewlings, H. H. | Captain & Adjutant | Staff | 17th Battalion | Second Contingent |
| Hewson (Gent.), Lionel Lloyd | Captain | 175th (Irish Horse) Company | 29th Battalion | Third Contingent |
| Hilliard Arthur Herbert | Lieutenant | 99th (Irish) Company | 8th Battalion | Second Contingent |
| Holland, Arthur Gambier | Major | Staff | 13th Battalion | First Contingent |
| Humby, James Frederick | Captain | 54th (Belfast) Company | 13th Battalion | First Contingent |
| Captain | 74th (Dublin) Company (New) | 8th Battalion | Second Contingent | |
| Hume-Kelly, F. V. | Lieutenant | 131st (Irish Horse) Company | 29th Battalion | Third Contingent |
| Irvine, H. A. S. | Machine Gun Commander | Staff | 17th Battalion | Second Contingent |
| Lieutenant | 60th (North Irish Horse) Company (New) | 17th Battalion | Second Contingent | |
| Jameson Henry Robert | Lieutenant | 99th (Irish) Company | 8th Battalion | Second Contingent |
| Jenkinson, George S. C. | Major | Staff | 16th Battalion | First Contingent |
| Jervis, Ernest C. S. | Captain & Adjutant | Staff | 8th Battalion | Second Contingent |
| Kingston, H.E., Earl of | Lieutenant | 132nd (Irish Horse) Company | 29th Battalion | Third Contingent |
| Kirby Bart., A. D. | Major | Staff | 29th Battalion | Third Contingent |
| Leitrim, Charles Earl of | Lieutenant | 54th (Belfast) Company | 13th Battalion | First Contingent |
| Leland, Lionel Thomas Hillier | Lieutenant | 61st (South Irish Horse) Company (New) | 17th Battalion | Second Contingent |
| Lester, Edward Louis | Lieutenant | 60th (North Irish Horse) Company (New) | 17th Battalion | Second Contingent |
| Lockwood (Gent.) MRCVS, J. H. | Veterinary Lieutenant | Staff | 16th Battalion | First Contingent |
| Long (Gent.), E. | Lieutenant | 175th (Irish Horse) Company | 29th Battalion | Third Contingent |
| Lowden, H. E. | Major | Staff | 8th Battalion | Second Contingent |
| Madan Esq., Frederick M. | Lieutenant | 74th (Dublin) Company | 16th Battalion | First Contingent |
| Lieutenant | 74th (Dublin) Company (New) | 8th Battalion | Second Contingent | |
| Mann, G. D. | Lieutenant | 132nd (Irish Horse) Company | 29th Battalion | Third Contingent |
| Martin MB, J. E. | Surgeon Captain | Staff | 17th Battalion | First Contingent |
| Maude (Gent.), Ralph A. | Captain | 46th (Belfast) Company | 13th Battalion | First Contingent |
| McClintock, A. G. | Captain & Adjutant | Staff | 12th Battalion | Second Contingent |
| Medlicott, Henry Edward | Lieutenant | 176th (Irish Horse) Company | 29th Battalion | Third Contingent |
| Merrick (Gent.), Frank Stewart | Lieutenant | 175th (Irish Horse) Company | 29th Battalion | Third Contingent |
| Milner, G. F. | Major | Staff | 12th Battalion | Second Contingent |
| Mitchell, James R. | Lieutenant | 54th (Belfast) Company | 13th Battalion | First Contingent |
| Captain | 133rd (Irish Horse) Company (Ulster) | 29th Battalion | Third Contingent | |
| Montgomery, Francis J. | Lieutenant | 54th (Belfast) Company | 13th Battalion | First Contingent |
| Montgomery, Hugh F. | Lieutenant | 46th (Belfast) Company | 13th Battalion | First Contingent |
| Captain & Adjutant | Staff | 29th Battalion | Third Contingent | |
| Moody (Gent.), George Goldney | Lieutenant | 134th (Irish Horse) Company (Ulster) | 29th Battalion | Third Contingent |
| Mooney, David George Morgan | Lieutenant | 61st (South Irish Horse) Company (New) | 17th Battalion | Second Contingent |
| Moore, R. Leo | Captain | 60th (North Irish Horse) Company | 17th Battalion | First Contingent |
| Moore, R. St. Leger | Lieutenant-Colonel | Staff | 17th Battalion | First Contingent |
| Morgan (Gent.), F. A. | Lieutenant | 61st (South Irish Horse) Company (New) | 17th Battalion | Second Contingent |
| Moulton-Barrett, H. P. | Major | Staff | 17th Battalion | Second Contingent |
| Murland (Gent.), Thomas Stanley | Lieutenant | 60th (North Irish Horse) Company | 17th Battalion | First Contingent |
| Captain | 61st (South Irish Horse) Company (New) | 17th Battalion | Second Contingent | |
| Newton, Willioghby Chaplin | Lieutenant | 61st (South Irish Horse) Company | 17th Battalion | First Contingent |
| Pakenham, Thomas, Earl of Longford | Captain | 45th (Dublin) Company | 13th Battalion | First Contingent |
| Lieutenant-Colonel | Staff | 29th Battalion | Third Contingent | |
| Phibbs, Darnley | Lieutenant | 131st (Irish Horse) Company | 29th Battalion | Third Contingent |
| Pike, R. N. | Lieutenant | 99th (Irish) Company | 8th Battalion | Second Contingent |
| Power (Bart), Sir John Elliott Cecil | Lieutenant | 46th (Belfast) Company | 13th Battalion | First Contingent |
| Quarry, F. J. | Lieutenant | 46th (Belfast) Company (New) | 12th Battalion | Second Contingent |
| Reynolds (Gent.), Hay | Surgeon Captain | Staff | 16th Battalion | First Contingent |
| Ricketts MD CMG, Arthur | Surgeon-Captain | Staff | 29th Battalion | Third Contingent |
| Ridley, H. M. | Lieutenant-Colonel | Staff | 16th Battalion | First Contingent |
| Roberts, I. D'E. | Lieutenant | 175th (Irish Horse) Company | 29th Battalion | Third Contingent |
| Robinson, Ernest Rokeby | Captain & Adjutant | Staff | 13th Battalion | First Contingent |
| Robinson, William Pasley | Lieutenant | 74th (Dublin) Company (New) | 8th Battalion | Second Contingent |
| Ross (Gent.), Daniel Joseph | Lieutenant | 132nd (Irish Horse) Company | 29th Battalion | Third Contingent |
| Rutledge (Gent.), David K. | Lieutenant | 46th (Belfast) Company | 13th Battalion | First Contingent |
| Shaw, R. A. | Lieutenant | 176th (Irish Horse) Company | 29th Battalion | Third Contingent |
| Silver, Arthur | Lieutenant | 61st (South Irish Horse) Company (New) | 17th Battalion | Second Contingent |
| Smallwood (Gent.), Arthur | Lieutenant & Machine Gun Commander | Staff | 29th Battalion | Third Contingent |
| Spragge DSO, Basil Edward | Lieutenant-Colonel | Staff | 13th Battalion | First Contingent |
| Stannus, Thomas Robert Alexander | Lieutenant | 45th (Dublin) Company | 13th Battalion | First Contingent |
| Stokes, H. | Lieutenant | 175th (Irish Horse) Company | 29th Battalion | Third Contingent |
| Stuckey, A. E. A. | Lieutenant & Quartermaster | Staff | 8th Battalion | Second Contingent |
| Sullivan, Harry Thomas | Lieutenant | 46th (Belfast) Company (New) | 12th Battalion | Second Contingent |
| Thomas, G. E. | Lieutenant & Quartermaster | Staff | 12th Battalion | Second Contingent |
| Tottenham, Arthur Gore Loftus | Lieutenant | 74th (Dublin) Company (New) | 8th Battalion | Second Contingent |
| Tyrrell, Thomas R. G. | Lieutenant | 46th (Belfast) Company (New) | 12th Battalion | Second Contingent |
| Villiers-Stuart, Henry Charles, Esq | Lieutenant | 45th (Dublin) Company | 13th Battalion | First Contingent |
| Wadmore (Gent.), Alban H. T. | Lieutenant | 74th (Dublin) Company | 16th Battalion | First Contingent |
| Walker, F. G. | Lieutenant & Quartermaster | Staff | 17th Battalion | Second Contingent |
| Ward, E.O. | Lieutenant | 61st (South Irish Horse) Company | 17th Battalion | First Contingent |
| Weathrall (Gent.) MRCVS, Charles Hoffman George | Hon. Lieut. & Veterinary Officer | Staff | 29th Battalion | Third Contingent |
| Wright, J. | Lieutenant & Quartermaster | Staff | 17th Battalion | Second Contingent |
| Yates, William Milwarde | Lieutenant | 74th (Dublin) Company (New) | 8th Battalion | Second Contingent |