| 128 | Simranjit Singh (109) & MC Sorensen (98*) | Leinster Cricket Union v Munster | Anglesea Road, Dublin | 2017 |
| 92* | NS Poonia (38*) & CJO Smith (46*) | Scotland v Bermuda | Civil Service Cricket Club, Stormont, Belfast | 2008 |
| 86 | ST Doheny (62*) & MC Sorensen (48) | Munster v Northern Cricket Union | Mardyke, Cork | 2018 |
| 61 | SR Thompson (43) & GRJ Kennedy (38*) | North West v Leinster Cricket Union | Anglesea Road, Dublin | 2017 |
| 57 | R van Schoor (16) & CG Williams (43) | Namibia v Netherlands | The Village, Malahide, Dublin | 2015 |
| 57 | BN Cooper (43) & MR Swart (21) | Netherlands v Ireland | The Village, Malahide, Dublin | 2015 |
| 55 | EC Joyce (41) & GC Wilson (37) | Ireland v Bangladesh | Civil Service Cricket Club, Stormont, Belfast | 2012 |
| 55 | JNK Shannon (62) & ARM Berry (24) | Northern Cricket Union v North West | Circular Road, Belfast | 2017 |
| 53 | SC Getkate (22) & GC Wilson (80) | Northern Cricket Union v Munster | Mardyke, Cork | 2018 |
| 51 | NJ O'Brien (22) & AC Botha (38) | Ireland v Scotland | Civil Service Cricket Club, Stormont, Belfast | 2008 |
| 50 | GJ McCarter (25) & A Dennison (33) | Northern Cricket Union v Munster | Mardyke, Cork | 2017 |
| 50 | WTS Porterfield (38) & AR McBrine (15) | North West v Leinster Cricket Union | Magheramason, Bready | 2018 |
| 46* | A Vala (34*) & K Pala (22*) | Papua New Guinea v Nepal | The Village, Malahide, Dublin | 2015 |
| 46 | C Dougherty (42) & A Dennison (34) | Northern Cricket Union v Munster | Middle Road, Carrickfergus | 2017 |
| 45 | A Balbirnie (31) & AD Poynter (36) | Ireland v Scotland | Magheramason, Bready | 2015 |
| 45 | ST Doheny (24) & RJ Forrest (29) | Munster v North West | Woodvale Road, Eglinton | 2018 |
| 45 | WTS Porterfield (21) & AR McBrine (26) | North West v Munster | Woodvale Road, Eglinton | 2018 |
| 44 | A Balbirnie (31) & GC Wilson (20) | Ireland v Netherlands | The Village, Malahide, Dublin | 2015 |
| 40 | R Strydom (30) & AC Botha (62*) | Ireland v Bangladesh A | Woodvale Road, Eglinton | 2008 |