| Surname | Forename | Rank | Unit | Born | Resided |
| HOWARD | Patrick | Private | Connaught Rangers | Born Castleknock, Co. Dublin | Resided Dublin |
| HOWARD | Thomas | Corporal | Royal Dublin Fusiliers | Born Dublin | |
| HOWES | C W | Major | 19th Battalion, Durham Light Infantry | | |
| HOWIE | Alexander | Private | Machine Gun Corps | Born Dublin | |
| HOWITT | Christopher | Private | Royal Dublin Fusiliers | Born Dublin | |
| HOWLEY | Patrick | Private | Prince of Wales's Volunteers (South Lancashire Regiment) | Born Dublin | Resided Kilmainham, Dublin |
| HOYSTEAD | Daniel | Rifleman | Royal Irish Rifles | Born Dublin | |
| HOYSTED | Francis | Private | Connaught Rangers | Born Dublin | Resided Dublin |
| HUDSON | Alfred | Private | Royal Dublin Fusiliers | Born Dublin | |
| HUDSON | Edward | Rifleman | Royal Irish Rifles | Born Dublin | |
| HUDSON | James | Private | Royal Army Medical Corps | Born Dublin | |
| HUGHES | Joseph | Lance Corporal | Canadian Army Service Corps | | |
| HUGHES | Thomas | Boatswain (Bosun) | S.S. "Powhatan" (Sunderland) | Born at Rush, Co. Dublin | |
| HUGHES | Christopher | Private | King's (Liverpool Regiment) | Born Skerries, Dublin | Resided Skerries House, Dublin |
| HUGHES | James | Private | Royal Dublin Fusiliers | Born Dublin | |
| HUGHES | James | Private | Royal Munster Fusiliers | Born St. Michael's, Dun Laoghaire, Co. Dublin | Resided Blackrock, Co. Dublin |
| HUGHES | James | Private | Royal Dublin Fusiliers | Born Blanchardstown, Co. Dublin | Resided Clonsilla, Co. Dublin |
| HUGHES | James | Private | Connaught Rangers | Born Dublin | Resided Ballymena |
| HUGHES | James | Private | Queen's (Royal West Surrey Regiment) | Born Crumlin, Dublin | Resided Crumlin, Dublin |
| HUGHES | John | Private | Royal Dublin Fusiliers | Born Tallaght, Co. Dublin | Resided Tallaght |
| HUGHES | John | Gunner | Royal Horse Artillery and Royal Field Artillery | Born Dublin | |
| HUGHES | John | Private | Royal Dublin Fusiliers | Born Dublin | |
| HUGHES | Joseph | Company Sergeant Major | Royal Dublin Fusiliers | Born Dublin | Resided Dublin |
| HUGHES | Lawrence Garrett | Private | Royal Dublin Fusiliers | Born Dublin | |
| HUGHES | Patrick | Private | Royal Dublin Fusiliers | Born Dublin | |
| HUGHES | Patrick | Private | Royal Dublin Fusiliers | Born Dublin | |
| HUGHES | Percy | Private | Alexandra, Princess of Wales's Own (Yorkshire Regiment) | Born Dublin | Resided Wheatley Hill |
| HUGHES | Thomas | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Ballybrack, Co. Dublin | Resided Loughlinstown, Co. Dublin |
| HUGHES | Thomas | Private | Manchester Regiment | Born Dublin | |
| HUGHES | Thomas | Private | Royal Dublin Fusiliers | Born Dublin | |
| HUGHES | Thomas J. | Private | Loyal North Lancashire Regiment | Born Dublin | |
| HUGHES | Garrett | Private | Royal Dublin Fusiliers | Birthplace unknown | Resided Kingstown, Co. Dublin |
| HUGHES | Patrick | Private | Queen's (Royal West Surrey Regiment) | Birthplace unknown | Resided Inchicore, Nr. Dublin |
| HUME | Robert | Gunner | Royal Horse Artillery and Royal Field Artillery | Birthplace unknown | Resided Milton, Dublin |
| HUMMERSTON | James | Private | Royal Inniskilling Fusiliers | Born Dublin | |
| HUMPHREY | Edward | Private | Royal Dublin Fusiliers | Born Dublin | |
| HUMPHREY | Malcolm | Lance Corporal | Duke of Cornwall's Light Infantry | Born Richmond Barracks, Dublin | |
| HUMPHREYS | John W. | Corporal | Royal Dublin Fusiliers | Born Dublin | |
| HUMPHREYS | Thomas | Private | Royal Dublin Fusiliers | Born Castleconnell, Limerick | Resided Dublin |
| HUMPHREYS | Ernest | Rifleman | Rifle Brigade (The Prince Consort's Own) | Born Clerkenwell, Middx. | Resided Dublin |
| HUMPHRIES | James | Private | Royal Scots (Lothian Regiment) | Born Waterford, Co. Munster | Resided Dublin |
| HUMPSON | Patrick | Sergeant | Machine Gun Corps | Born St. Andrew's, Dublin | Resided Dublin |
| HUNT | George Frederick | Private | York and Lancaster Regiment | Born Dublin | |
| HUNT | Henry | Private | Royal Dublin Fusiliers | Born Dublin | |
| HUNT | John | Private | Royal Dublin Fusiliers | Born Dublin | |
| HUNT | Sydney | Lance Corporal | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Bristol | Resided Dublin |
| HUNTER | Ronald Gordon | Second Lieutenant | 1st Battalion, Royal Dublin Fusiliers | | |
| HUNTER | Henry | Private | Royal Dublin Fusiliers | Born Dublin | |
| HUNTER | Thomas | Private | Royal Dublin Fusiliers | Born Dublin | |
| HUNTER | William James | Private | Royal Army Medical Corps | Born Dublin | |