| Runs |
Out of |
4s |
6s |
| 134 | 231 | 29 | 3 | | EC Joyce | Ireland v United Arab Emirates | The Village, Malahide, Dublin | 2015 |
| 112 | 207 | 25 | 2 | | WTS Porterfield | North West Warriors v Leinster Lightning | Magheramason, Bready | 2018 |
| 110 | 156 | 23 | 3 | | EC Joyce | Leinster Lightning v North West Warriors | Oak Hill Cricket Club, Oak Hill | 2017 |
| 104 | 205* | 23 | 2 | | A Balbirnie | Ireland v Netherlands | The Village, Malahide, Dublin | 2017 |
| 102 | 167* | 24 | 1 | | EC Joyce | Leinster Lightning v Northern Knights | Castle Avenue, Dublin | 2017 |
| 94 | 186 | 22 | 1 | | AC Botha | Ireland v Scotland | Civil Service Cricket Club, Stormont, Belfast | 2007 |
| 94 | 190* | 16 | 5 | | J Aitchison | Scotland v Ireland | College Park, Dublin | 1959 |
| 84 | 166 | 21 | 0 | | WTS Porterfield | Ireland v Bermuda | Castle Avenue, Dublin | 2007 |
| 86 | 144 | 20 | 1 | | AR White | Ireland v Netherlands | Observatory Lane, Rathmines, Dublin | 2010 |
| 80 | 110 | 20 | 0 | | IJ Anderson | Ireland v Sri Lankans | Woodvale Road, Eglinton | 1979 |
| 86 | 118* | 17 | 3 | | DF Watts | Scotland v Ireland | Castle Avenue, Dublin | 2004 |
| 80 | 135 | 20 | 0 | | JP Bray | Ireland v Netherlands | Civil Service Cricket Club, Stormont, Belfast | 2005 |
| 80 | 122 | 20 | 0 | | AC Botha | Ireland v Bermuda | Castle Avenue, Dublin | 2007 |
| 84 | 107 | 18 | 2 | | PR Stirling | Ireland v Canada | Observatory Lane, Rathmines, Dublin | 2011 |
| 82 | 133 | 19 | 1 | | SPD Smith | Australia A v Ireland | Civil Service Cricket Club, Stormont, Belfast | 2013 |
| 86 | 146 | 17 | 3 | | PR Stirling | Ireland v United Arab Emirates | The Village, Malahide, Dublin | 2015 |
| 86 | 140* | 17 | 3 | | JNK Shannon | Northern Knights v Leinster Lightning | Civil Service Cricket Club, Stormont, Belfast | 2017 |
| 82 | 148 | 19 | 1 | | SR Thompson | North West Warriors v Leinster Lightning | Sydney Parade, Dublin | 2018 |
| 90 | 152 | 15 | 5 | | WTS Porterfield | North West Warriors v Northern Knights | Magheramason, Bready | 2018 |
| 76 | 143* | 19 | 0 | | W Bardsley | Australians v SH Cochrane's XI | Woodbrook Cricket Club Ground, Bray | 1909 |
| 80 | 107 | 17 | 2 | | AM Amla | South Africa Academy v Ireland | Castle Avenue, Dublin | 1999 |
| 88 | 113* | 13 | 6 | | NJ Maddinson | Australia A v Ireland | Civil Service Cricket Club, Stormont, Belfast | 2013 |
| 82 | 146 | 16 | 3 | | HT Tector | Northern Knights v Leinster Lightning | The Village, Malahide, Dublin | 2019 |
| 72 | 131 | 18 | 0 | | LJ Tancred | South Africans v Woodbrook Club and Ground | Woodbrook Cricket Club Ground, Bray | 1912 |
| 82 | 115 | 13 | 5 | | TB Racionzer | Scotland v Ireland | The Meadow, Downpatrick | 1983 |
| 72 | 125* | 18 | 0 | | MEK Hussey | Australia A v Ireland | Observatory Lane, Rathmines, Dublin | 1998 |
| 76 | 130 | 16 | 2 | | AR Cusack | Ireland v Scotland | Civil Service Cricket Club, Stormont, Belfast | 2007 |
| 74 | 115 | 17 | 1 | | PR Stirling | Ireland v Australia A | Civil Service Cricket Club, Stormont, Belfast | 2013 |
| 78 | 165 | 15 | 3 | | NJ O'Brien | North West Warriors v Leinster Lightning | Sydney Parade, Dublin | 2018 |
| 68 | 144* | 17 | 0 | | SJS Warke | Ireland v Scotland | Castle Avenue, Dublin | 1985 |
| 70 | 105 | 16 | 1 | | MP O'Dowd | Netherlands v Ireland | The Village, Malahide, Dublin | 2017 |
| 70 | 93 | 16 | 1 | | JA McCollum | Northern Knights v Leinster Lightning | The Village, Malahide, Dublin | 2018 |
