| Surname | Forename | Rank | Unit | Born | Resided |
| GERRARD | John Maurice Harold | Second Lieutenant | A Battery, 74th Brigade, Royal Field Artillery | | |
| GERRARD | Percy Netterville | Captain | Malay States Volunteer Rifles | Born in Dublin | |
| GIBBONS | Patrick Joseph | Rifleman | Royal Irish Rifles | Born Dublin | Resided Glasgow |
| GIBBONS | William | Rifleman | Royal Irish Rifles | Born Dublin | |
| GIBBS | William James | Private | Queen's (Royal West Surrey Regiment) | Born Dublin, Ireland | Resided Thornton Heath, Surrey |
| GIBNEY | James | Private | Royal Dublin Fusiliers | Born Dublin | |
| GIBSON | Benjamin Digby | Captain | 9th Australian Light Horse | Native of Dublin | |
| GIBSON | George James | Private | Canadian Army Service Corps | | |
| GIBSON | George William | Private | 8th Battalion, Canadian Infantry (Manitoba Regiment) | Native of Dublin | |
| GIBSON | Albert Fisher | Second Lieutenant | 4th Squadron Royal Flying Corps and 4th Battalion, Leinster Regiment | | |
| GIBSON | Henry William | Second Lieutenant | 2nd Battalion, Royal Dublin Fusiliers | | |
| GIBSON | Bernard | Gunner | Royal Garrison Artillery | Born Dublin | Resided Dublin |
| GIFFORD | John | Private | Royal Dublin Fusiliers | Born Dublin | |
| GILBERT | James | Company Sergeant Major | Royal Dublin Fusiliers | Born Dublin | Resided Dublin |
| GILBERT | Joseph | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Balbriggan, Co. Dublin | Resided Balbriggan |
| GILES | James | Private | Royal Dublin Fusiliers | Born Dublin | |
| GILES | Michael | Acting Corporal | Royal Dublin Fusiliers | Born Dublin | |
| GILHAM | Charles Frederick | Acting Lance Corporal | Bedfordshire Regiment | Born Dublin | Resided Whitefield, Lancs |
| GILL | Andrew | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | |
| GILL | Daniel Lawrence | Private | Household Cavalry and Cavalry of the Line (including Yeomanry) | Born Dublin | Resided Dublin |
| GILL | James | Lance Corporal | Royal Dublin Fusiliers | Born Dublin | |
| GILL | John | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | |
| GILL | Samuel | Private | Hampshire Regiment | Born Dublin | Resided Holborn, London |
| GILL | Thomas | Private | Royal Dublin Fusiliers | Born Blackrock, Co. Dublin | Resided Blackrock |
| GILL | Thomas | Gunner | Royal Garrison Artillery | Born St. Michaels, Dublin | |
| GILL | Thomas Joseph | Private | Tank Corps | Born Clondalkin, Co. Dublin | |
| GILL | William | Rifleman | Royal Irish Rifles | Born Dublin | |
| GILLESPIE | William H. | Private | Seaforth Highlanders (Rossshire Buffs, the Duke of Albany's) | Born Dublin | |
| GILLIES | Forbes | Second Lieutenant | 89th Battalion, Machine Gun Corps Infantry | | |
| GILLIGAN | John Joseph | Second Lieutenant | B Battery, 123rd Brigade, Royal Field Artillery | | |
| GILLIGAN | Francis | Private | Royal Munster Fusiliers | Born St. Josephs, Dublin | Resided Dublin |
| GILLIGAN | Philip | Private | East Surrey Regiment | Born Dublin | Resided Glasgow |
| GILLIGAN | T | Rifleman | Royal Irish Rifles | | |
| GILLINGHAM | Joseph | Private | Cheshire Regiment | Born Dublin | Resided Dublin |
| GILLINGHARN | Ernest | Acting Farrier Staff Sergeant | Royal Army Service Corps | Born Romford, Essex | Resided Lusk, Co. Dublin |
| GILLIS | Edwin | Rifleman | King's Royal Rifle Corps | Born St. Peters, Dublin | |
| GILLON | Patrick | Private | Royal Dublin Fusiliers | Born Dublin | |
| GILMORE | Joseph | Rifleman | Royal Irish Rifles | Born Dublin | |
| GILMORE | Robert A. | Corporal | Corps Of Royal Engineers | Born Rathgar, Co. Dublin | |
| GILSENAN | Patrick | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Clondalkin, Co. Dublin | Resided Clondalkin |
| GITTINS | John | Sergeant | Royal Horse Artillery and Royal Field Artillery | Born Dublin | |
| GLANCY | Michael | Corporal | Machine Gun Corps | Born Roscrea, Co. Tipperary | Resided Dublin |
| GLEESON | Richard | Gunner | Royal Garrison Artillery | Born St. Michaels, St. Johns, Dublin | Resided Dublin |
| GLEESON | Thomas | Private | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Dublin | |
| GLEESON | William | Private | Royal Dublin Fusiliers | Born Dublin | |
| GLENN | Cecil William | Lieutenant (TP) | Royal Army Service Corps attached 1st Royal Inniskilling Fusiliers | | |
| GLENNON | Frank | Private | Royal Dublin Fusiliers | Born Rathgar, Dublin | |
| GLENNON | Patrick | Private | Royal Dublin Fusiliers | Born Lucan, Co. Dublin | Resided Kilcromack, King's Co. |
| GLENNON | Peter | Private | King's (Liverpool Regiment) | Born Dublin | Resided Liverpool |
| GLYNN | A H | Second Lieutenant | 15th Battalion, London Regiment (Prince of Wales' Own Civil Service Rifles) | | |