| Surname | Forename | Rank | Unit | Born | Resided |
| HEALY | Gerald | Private | Royal Dublin Fusiliers | Born Dublin | |
| HEALY | James | Private | Royal Irish Regiment | Born Ballybrack, Co. Dublin | Resided Killiney, Co. Dublin |
| HEALY | James | Private | Royal Dublin Fusiliers | Born Dublin | |
| HEALY | John | Private | Royal Fusiliers (City of London Regiment) | Born Dublin | Resided Harlesden |
| HEALY | John J. | Private | Irish Guards | Born Terenure, Co. Dublin | Resided Cracadan East, Co. Waterford |
| HEALY | Michael | Sergeant | Royal Garrison Artillery | Born St. Thomas, Co. Dublin | |
| HEALY | Thomas | Private | King's (Liverpool Regiment) | Born Dun Laoghaire, Dublin | Resided Dun Laoghaire |
| HEALY | William | Private | Royal Munster Fusiliers | Born Booterstown, Co. Dublin | |
| HEALY | William | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | |
| HEALY | Nicholas | Private | Princess Victoria's (Royal Irish Fusiliers) | Birthplace unknown | Resided Blackrock, Co. Dublin |
| HEALY | Patrick | Private | Lancashire Fusiliers | Born Tuam, Co. Galway | |
| HEANEY | Edward | Sergeant | Irish Guards | Born Rathmines, Co. Dublin | |
| HEANEY | Albert Boucher | Regimental Sergeant Major | Rifle Brigade (The Prince Consort's Own) | Born Limerick | Resided Dublin |
| HEARD | R A | Private | South African Pioneers | Born in Dublin | |
| HEATLY | Charles | Lance Corporal | Royal Dublin Fusiliers | Born Dublin | |
| HEBBRON | Edward Henry | Private | Northumberland Fusiliers | Born Dublin | |
| HEDDERLY | Thomas | Private | Royal Fusiliers (City of London Regiment) | Born Dublin | Resided Kingsland |
| HEFFERNAN | John H. | Private | Royal Dublin Fusiliers | Born Dublin | |
| HEFFERNAN | Joseph | Private | Royal Dublin Fusiliers | Born Dublin | Resided Dublin |
| HEFFERNAN | Martin | Private | Royal Dublin Fusiliers | Born Inchicore, Dublin | |
| HEFFERNAN | Michael | Sergeant | Royal Dublin Fusiliers | Born Blackrock, Co. Dublin | |
| HEFFERNAN | Robert | Private | Irish Guards | Born Ringsend, Co. Dublin | |
| HEFFERNAN | Edward | Sergeant | Royal Irish Regiment | Born Widnes, Lancs | Resided Rathmines, Co. Dublin |
| HEGARTY | Michael | Staff Sergeant | Royal Army Medical Corps | Born Dublin | |
| HEGARTY | Stephen | Private | Connaught Rangers | Born Dublin | Resided Dublin |
| HEGARTY | Thomas | Sergeant | Royal Irish Rifles | Born Dublin | |
| HEGARTY | Thomas | Rifleman | Royal Irish Rifles | Born Dublin | |
| HEGARTY | Thomas James | Private | Royal Dublin Fusiliers | Born Dublin | |
| HEGARTY | William | Private | Royal Dublin Fusiliers | Born Dublin | Resided Dublin |
| HEMP | John | Private | Royal Dublin Fusiliers | Born Glasthule, Dun Laoghaire, Co. Dublin | |
| HEMPENSTAL | William | Rifleman | Royal Irish Rifles | Born Dun Laoghaire, Co. Dublin | |
| HEMSWORTH | Gore William | Lieutenant | 1st Squadron Royal Air Force | | |
| HENDERSON | Robert | Private | Royal Army Medical Corps | Born Dublin | |
| HENDERSON | David Ebenezer | Sergeant | Household Cavalry and Cavalry of the Line (including Yeomanry) | Birthplace unknown | Resided Blackrock, Dublin |
| HENDRY | Charles Smith | Private | 28th Battalion, Australian Infantry, Australian Imperial Force | Born in Dublin | |
| HENIHAN | Dennis H. | Private | Royal Army Service Corps | Born Dover | Resided Drumcondra, Dublin |
| HENLEY | Frederick Louis | Second Lieutenant | 13th Battalion, attached 11th Battalion, Sherwood Foresters (Nottinghamshire and Derby Regiment) | | |
| HENNESEY | Dennis James | Private | Royal Army Medical Corps | Born Dublin | |
| HENNESEY | Michael | Lance Corporal | Royal Dublin Fusiliers | Born Harolds Cross, Dublin | |
| HENNESSY | James | Sergeant | Cheshire Regiment | Born St. George's, Marlborough, Dublin | |
| HENNESSY | Joseph | Private | Connaught Rangers | Born Dublin | Resided Dublin |
| HENNESSY | Patrick | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dalkey, Co. Dublin | Resided Dalkey |
| HENRY | Charles Lennox | Second Lieutenant | Royal Irish Fusiliers | | |
| HENRY | Michael | Gunner | Royal Garrison Artillery | Born Ballybrack, Co. Dublin | Resided Ballybrack |
| HENRY | Thomas | Private | Royal Dublin Fusiliers | Born Dublin | |
| HENSLER | Cyril Gordon | Private (Signaller) | 7th Battalion, (formerly 51st Battalion) Canadian Infantry (British Columbia Regiment) | | |
| HERBERT | George Leonard | Private | Royal Army Service Corps | Born Dublin | Resided Gillingham, Kent |
| HERBERT | John P. | Private | Royal Dublin Fusiliers | Born Donabate, Co. Dublin | Resided Donabate |
| HERBERT | Louie | Lance Corporal | Northumberland Fusiliers | Born Dublin | |
| HERBERT | William | Private | Lancashire Fusiliers | Born Dublin | Resided Prestwich |