Open Championship played at Seapoint Golf Club from 6th to 10th May 2026
| Result | Score | Players Name | Club | Roinds Scored | Par |
| 1st | 277 | Patrick Keeling | Roganstown G. C. |
72, 62, 73 & 70 | -11 |
| 2nd | 278 | David Howard | Fota Island G. C. |
70, 69, 73 & 66 | -10 |
| T-3rd | 279 | Stuart Grehan | Co. Louth G. C. | 67, 71, 74 & 67 | -9 |
| T-3rd | 279 | Gerard Dunne | Co. Louth G. C. | 69, 67, 73 & 70 | -9 |
| T-5th | 280 | Greg Holmes | Royal Birkdale G. C. | 75, 68, 69 & 68 | -8 |
| T-5th | 280 | Thomas Abom | Edmondstown G. C. | 69, 64, 75 & 72 | -8 |
| T-7th | 281 | Ryan Griffin | The Royal Dublin G. C. | 71, 70, 71 & 69 | -7 |
| T-7th | 281 | Darragh Flynn | Carton House G. C. | 71, 67, 70 & 73 | -7 |
| T-9th | 282 | Eoin Murphy | Dundalk G. C. | 72, 69, 75 & 66 | -6 |
| T-9th | 282 | John Doyle | Fota Island G. C. | 69, 75, 72 & 66 | -6 |
| T-9th | 282 | Liam Abom | Edmondstown G. C. | 65, 71, 76 & 70 | -6 |
| T-9th | 282 | Conor Stapleton | Westport G. C. | 70, 69, 73 & 70 | -6 |
| 13th | 284 | Andrew Mulholland | Castlerock G. C. | 73, 69, 71 & 71 | -4 |
| T-14th | 285 | Adam Fahey | Portmarnock G. C. | 71, 74, 70 & 70 | -3 |
| T-14th | 285 | Cian Harkin | The Island G. C. | 70, 71, 72 & 72 | -3 |
| T-14th | 285 | Stephen Coulter | Warrenpoint G. C. | 64, 70, 75 & 76 | -3 |
| T-17th | 286 | Tom Hughes | Formby G. C. | 69, 69, 74 & 74 | -2 |
| T-17th | 286 | Dylan Shaw-Radford | Huddersfield G. C. | 72, 66, 74 & 74 | -2 |
| T-19th | 287 | Jack McDonnell | The Royal Dublin G. C. | 70, 75, 73 & 69 | -1 |
| T-19th | 287 | Alex Kerins | Carton House G. C. | 71, 73, 74 & 69 | -1 |
| T-19th | 287 | William O’Riordan | Greystones G. C. | 73, 70, 72 & 72 | -1 |
| T-19th | 287 | Dylan Keating | Seapoint G. C. | 74, 67, 73 & 73 | -1 |
| T-19th | 287 | Isaac Oliver | Glasson G. C. | 71, 70, 72 & 74 | -1 |
| T-19th | 287 | David Reddan | Castleknock G. C. | 71, 67, 74 & 75 | -1 |
| T-25th | 288 | Charlie Rusbridge | Colne Valley G. C. | 73, 71, 75 & 69 | Level |
| T-25th | 288 | Patrick Curran | Edmondstown G. C. | 75, 68, 75 & 70 | Level |
| T-25th | 288 | Dylan Holmes | Greystones G. C. | 71, 73, 72 & 72 | Level |
| T-28th | 289 | Oscar Murphy | Royal Portrush G. C. | 72, 71, 76 & 70 | +1 |
| T-28th | 289 | John William Burke | Ballyhaunis G. C. | 70, 75, 73 & 71 | +1 |
| T-28th | 289 | Conor Hickey | Dooks G. C. | 75, 71, 72 & 71 | +1 |
| T-28th | 289 | Alexander Brand | Golf Club Bern | 72, 72, 73 & 72 | +1 |
| T-28th | 289 | Quentin Carew | The Heritage G. C. | 73, 67, 77 & 72 | +1 |
| T-28th | 289 | Aodhagan Brady | Co. Sligo G. C. | 73, 72, 72 & 72 | +1 |
| T-28th | 289 | Ethan Roos | Thorndon Park G. C. | 72, 68, 74 & 75 | +1 |
| T-35th | 290 | Joe O'Neill | Berehaven G. C. | 74, 70, 75 & 71 | +2 |
| T-35th | 290 | Bryn Thomas | Cardigan G. C. | 71, 72, 75 & 72 | +2 |
| T-35th | 290 | Robert Abernethy | Dun Laoghaire G. C. | 72, 70, 76 & 72 | +2 |
| T-35th | 290 | Padraig O Dochartaigh | Gweedore G. C. | 71, 74, 72 & 73 | +2 |
| T-35th | 290 | Matthew McClean | Malone G. C. | 70, 74, 73 & 73 | +2 |
| T-35th | 290 | Paul Coughlan | Castleknock G. C. | 72, 70, 72 & 76 | +2 |
| T-41th | 291 | Ian Lynch | Rosslare G. C. | 73, 71, 73 & 74 | +3 |
| T-41th | 291 | Patrick Martin | Carrick-On-Shannon G. C. | 75, 71, 71 & 74 | +3 |
| T-41th | 291 | Lewis Gowdy | Bangor G. C. | 71, 70, 73 & 77 | +3 |
| T-41th | 291 | Gary Collins | Rosslare G. C. | 72, 72, 69 & 78 | +4 |
| T-45th | 292 | Ewen Farquhar | New St. Andrews G. C. | 73, 72, 74 & 73 | +4 |
| T-45th | 292 | Mark Cadden | Roganstown G. C. | 72, 75, 70 & 75 | +4 |
| T-45th | 292 | Tadhg Murphy | Millicent G. C. | 74, 70, 73 & 75 | +4 |
| T-45th | 292 | Eoin Sullivan | Portmarnock G. C. | 73, 73, 70 & 76 | +4 |
| T-45th | 292 | Harry O'Hara | Clandeboye G. C. | 72, 70, 72 & 78 | +4 |
| T-45th | 292 | Chris Somers | Murcar Links G. C. | 70, 70, 73 & 79 | +4 |
| 51st | 294 | Sean Keeling | Roganstown G. C. | 71, 74, 73 & 76 | +6 |
| 52nd | 295 | Robbie Cannon | Balbriggan G. C. | 75, 73, 71 & 76 | +7 |