| Percent |
Runs |
Out of |
4s |
6s |
| 86.60 | 84 | 97 | 6 | 10 | | Rizwan Cheema | Canada v Ireland | Observatory Lane, Rathmines, Dublin | 2011 |
| 83.72 | 72 | 86 | 12 | 4 | | GD Harrison | Ireland v Scotland | The Meadow, Downpatrick | 1983 |
| 80.00 | 60 | 75 | 9 | 4 | | KJ O'Brien | Ireland v Canada | The Village, Malahide, Dublin | 2008 |
| 80.00 | 56 | 70 | 11 | 2 | | SC Getkate | Northern Cricket Union v Leinster Cricket Union | The Green, Comber | 2018 |
| 78.50 | 84 | 107 | 18 | 2 | | PR Stirling | Ireland v Canada | Observatory Lane, Rathmines, Dublin | 2011 |
| 77.88 | 88 | 113* | 13 | 6 | | NJ Maddinson | Australia A v Ireland | Civil Service Cricket Club, Stormont, Belfast | 2013 |
| 77.14 | 54 | 70* | 12 | 1 | | S Dhaniram | Canada v Ireland | The Village, Malahide, Dublin | 2008 |
| 76.67 | 46 | 60 | 10 | 1 | | WTS Porterfield | Ireland v Netherlands | The Village, Malahide, Dublin | 2017 |
| 76.47 | 52 | 68 | 13 | 0 | | RJH Lambert | Ireland v Scotland | Observatory Lane, Rathmines, Dublin | 1914 |
| 75.47 | 40 | 53 | 10 | 0 | | SD Outerbridge | Bermuda v Ireland | Castle Avenue, Dublin | 2007 |
| 74.77 | 80 | 107 | 17 | 2 | | AM Amla | South Africa Academy v Ireland | Castle Avenue, Dublin | 1999 |
| 73.68 | 42 | 57 | 9 | 1 | | Shaiman Anwar | United Arab Emirates v Ireland | The Village, Malahide, Dublin | 2015 |
| 72.88 | 86 | 118* | 17 | 3 | | DF Watts | Scotland v Ireland | Castle Avenue, Dublin | 2004 |
| 72.73 | 80 | 110 | 20 | 0 | | IJ Anderson | Ireland v Sri Lankans | Woodvale Road, Eglinton | 1979 |
| 72.41 | 42 | 58 | 9 | 1 | | KJ O'Brien | Ireland v South Africa A | Lodge Road, Coleraine | 2012 |
| 71.70 | 38 | 53* | 8 | 1 | | DR Lockhart | Scotland v Ireland | Castle Avenue, Dublin | 2004 |
| 71.70 | 38 | 53 | 8 | 1 | | PR Stirling | Ireland v Namibia | Civil Service Cricket Club, Stormont, Belfast | 2011 |
| 71.30 | 82 | 115 | 13 | 5 | | TB Racionzer | Scotland v Ireland | The Meadow, Downpatrick | 1983 |
| 71.23 | 52 | 73 | 10 | 2 | | SP Terry | Leinster Cricket Union v Northern Cricket Union | Castle Avenue, Dublin | 2017 |
| 71.05 | 54 | 76 | 12 | 1 | | LV van Beek | Netherlands v Ireland | The Village, Malahide, Dublin | 2017 |
| 70.97 | 44 | 62* | 11 | 0 | | AR White | Ireland v Afghanistan | Observatory Lane, Rathmines, Dublin | 2012 |
| 70.97 | 44 | 62 | 11 | 0 | | SV Lazarus | North West v Leinster Cricket Union | Oak Hill Cricket Club, Oak Hill | 2017 |
| 70.77 | 46 | 65 | 10 | 1 | | LP van der Westhuizen | Namibia v Ireland | Civil Service Cricket Club, Stormont, Belfast | 2011 |
| 70.59 | 36 | 51 | 9 | 0 | | F Robertson | Scotland v Ireland | Observatory Lane, Rathmines, Dublin | 1979 |
| 70.51 | 110 | 156 | 23 | 3 | | EC Joyce | Leinster Cricket Union v North West | Oak Hill Cricket Club, Oak Hill | 2017 |
| 70.13 | 54 | 77 | 12 | 1 | | JDC Bryant | South Africa Academy v Ireland | Castle Avenue, Dublin | 1999 |
| 69.77 | 60 | 86 | 15 | 0 | | DA Rankin | North West v Leinster Cricket Union | Magheramason, Bready | 2018 |
| 68.42 | 52 | 76* | 7 | 4 | | AR Dunlop | Ireland v South Africa Academy | Castle Avenue, Dublin | 1999 |
| 68.35 | 54 | 79 | 12 | 1 | | KJ O'Brien | Ireland v Canada | Observatory Lane, Rathmines, Dublin | 2011 |
| 67.92 | 36 | 53 | 9 | 0 | | JB Tector | Leinster Cricket Union v North West | Sydney Parade, Dublin | 2018 |