| Surname | Forename | Rank | Unit | Born | Resided |
| DALY | John | Private | Royal Dublin Fusiliers | Born Dublin | |
| DALY | John | Driver | Royal Horse Artillery and Royal Field Artillery | Born Clondalkin, Dublin | |
| DALY | John James | Rifleman | King's Royal Rifle Corps | Born Dublin, Ireland | Resided Bow, Middx. |
| DALY | Patrick | Sergeant | Machine Gun Corps | Born St. Thomas, Dublin | |
| DALY | Patrick | Private | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Dublin | |
| DALY | Patrick | Private | Royal Welsh Fusiliers | Born Dublin | |
| DALY | Patrick | Rifleman | Royal Irish Rifles | Born Dublin | Resided Virginia, Co. Cavan |
| DALY | Peter | Driver | Royal Horse Artillery and Royal Field Artillery | Born Dublin | |
| DALY | Peter | Private | Prince of Wales's Own (West Yorkshire Regiment) | Born Dublin | |
| DALY | William | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | |
| DALY | Bernard | Private | Royal Dublin Fusiliers | Birthplace unknown | Resided Cloghran, Co. Dublin |
| DAME | A | Boatswain & Lamps (Bosun) | S.S. "Llongwen" (Cardiff) | Born in Dublin | |
| DAMER | Timothy | Private | Royal Munster Fusiliers | Born St. Patrick's, Waterford | Resided Dublin |
| DANIEL | Thomas | 2nd Steward | S.S. "East Wales" (Cardiff) | Born in Dublin | |
| DARBYSHIRE | Graham Hirtzel | Captain | North Midland Brigade, Royal Field Artillery | | |
| DARCY | Christopher | Private | Royal Dublin Fusiliers | Born Dun Laoghaire, Co. Dublin | |
| DARCY | Edward | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | Resided Dublin |
| DAREY | Hugh | Private | Royal Dublin Fusiliers | Born Dublin | |
| DAREY | John | Private | King's (Liverpool Regiment) | Born Dublin | Resided Dublin |
| DAREY | Nicholas | Private | Royal Dublin Fusiliers | Born Dublin | |
| DAREY | Lawrence Cecil | Rifleman | Rifle Brigade (The Prince Consort's Own) | Birthplace unknown | Resided Inchicore, Dublin |
| DARGAN | Richard | Acting Sergeant | East Lancashire Regiment | Born St. Kevins, Dublin | Resided Putney Park, London, S.W. |
| DARKER | Ernest Naismith | Second Lieutenant | 262nd Siege Battery Royal Garrison Artillery | | |
| DARLINGTON | John F. | Private | Royal Inniskilling Fusiliers | Born Drumcondra, Co. Dublin | |
| DARNELL | Aubrey Hugh | Major | 11th Battalion, Australian Infantry, Australian Imperial Force | Born in Dublin | |
| DAUNT | William John | Corporal | Royal Irish Regiment | Born Leeson Park, Dublin | Resided Jersey, C.I. |
| DAVEY | Edward | Stoker 1st Class | H.M.S. "Monmouth" | | |
| DAVEY | Frederick | Seaman | S.S. "Adela" | Native of Devon | |
| DAVEY | Sam | Able Seaman | S.S. "Braefield" (Dublin) | | |
| DAVEY | Cecil Fraser | Corporal | King's Own (Royal Lancaster Regiment) | Born St. James', Dublin | |
| DAVIDSON | David | Private | Royal Dublin Fusiliers | Born Stillorgan, Co. Dublin | Resided Dublin |
| DAVIDSON | Robert | Lance Corporal | Queen's Own Cameron Highlanders | Born Montrose, Forfarshire | Resided Dublin |
| DAVIES | N J | Second Lieutenant | 8th Battalion, Royal Dublin Fusiliers | | |
| DAVIES | William | Private | King's (Shropshire Light Infantry) | Born Caerphilly, Glam. | Resided Dublin |
| DAVIES | Edward | Private | Coldstream Guards | Born West Felton, Shropshire | Resided Kilternan, Dublin |
| DAVIS | Edward Otway | Private | 29th Battalion, Canadian Infantry (British Columbia Regiment) | | |
| DAVIS | Vivian Alfred | Second Lieutenant | 9th Battalion, Royal Irish Fusiliers | | |
| DAVIS | John | Private | Royal Dublin Fusiliers | Born Dublin | |
| DAVIS | John | Private | Royal Army Service Corps | Born Dublin | Resided Shrewsbury |
| DAVOREN | Ambrose Joseph Stanislaus | Lieutenant | Z25th Trench Mortar Battery, Royal Field Artillery | | |
| DAWSON | P | Cattleman | S.S. "Alnwick Castle" (London) | Born in Dublin | |
| DAY | Elystan Tidmarsh | Midshipman | H.M.S. "Caronia" | Born at Presteigne, Radnorshire | |
| DAY | John | Private | Royal Dublin Fusiliers | Born Blackrock, Co. Dublin | Resided Blackrock |
| DAY | Robert | Private | Royal Dublin Fusiliers | Born Dublin | Resided Dublin |
| DAY | Samuel | Sergeant | Princess Victoria's (Royal Irish Fusiliers) | Born Rathgar, Co. Dublin | |
| DAYLE | Bertrand | Private | Duke of Wellington's (West Riding Regiment) | Born Halifax | Resided Dublin |
| DE BERG | Eric | Private | Royal Irish Regiment | Born Monkstown, Co. Dublin | Resided Dundrum, Co. Dublin |
| DE RENZY | Richard | Private | Irish Guards | Born Dublin | |
| DE RENZY | Thomas | Trooper | Household Cavalry and Cavalry of the Line (including Yeomanry) | Born Dublin | |
| DE ROSSITER | Walter Wrixon | Lieutenant | 42nd Battalion Canadian Infantry (Quebec Regiment) | | |