| Inns | HS |
| 239-5† | 45 | Ireland Women v Scotland Women | VRA Ground, Amstelveen | 2003 |
| 204 | 43* | Ireland Women v South Africa Women | Claremont Road, Dublin | 2016 |
| 203-6 | 41 | Ireland Women v South Africa Women | Absa Puk Oval, Potchefstroom | 2017 |
| 202-9 | 42 | Ireland Women v Zimbabwe Women | Harare Sports Club, Harare | 2023/24 |
| 194 | 35 | Ireland Women v Pakistan Women | Gaddafi Stadium, Lahore | 2022/23 |
| 185 | 41 | Ireland Women v Pakistan Women | Colombo Cricket Club Ground, Colombo | 2016/17 |
| 180 | 41 | Ireland Women v Zimbabwe Women | Harare Sports Club, Harare | 2023/24 |
| 179 | 46 | Ireland Women v Netherlands Women | Sportpark Het Schootsveld, Deventer | 2007 |
| 179 | 44 | Ireland Women v Pakistan Women | Gaddafi Stadium, Lahore | 2024/25 |
| 176-9 | 40 | Ireland Women v South Africa Women | Hagley Park No 2, Christchurch | 2000/01 |
| 175 | 48 | Ireland Women v West Indies Women | Gaddafi Stadium, Lahore | 2024/25 |
| 171 | 43 | Ireland Women v Scotland Women | Desert Springs, Almeria | 2023/24 |
| 169-9 | 40 | Ireland Women v England Women | Leicester Ivanhoe Cricket Club Ground, Kirby Muxloe | 1990 |
| 169 | 25 | Ireland Women v India Women | Hagley Park No 2, Christchurch | 2000/01 |
| 166 | 33* | Ireland Women v South Africa Women | Colombo Cricket Club Ground, Colombo | 2016/17 |
| 162-5 | 44* | Ireland Women v Denmark Women | Nykøbing Mors Cricket Stadium, Nykøbing Mors | 1999 |
| 162-6 | 40* | Ireland Women v South Africa Women | Witrand Cricket Field, Potchefstroom | 2010/11 |
| 159-8 | 44 | Ireland Women v England Women | Lewin Road, Great Oakley | 1990 |
| 159-6 | 37 | Ireland Women v West Indies Women | Laudium Oval, Pretoria | 2004/05 |
| 159 | 49 | Ireland Women v Pakistan Women | Claremont Road, Dublin | 2013 |
| 159-8 | 35 | Ireland Women v South Africa Women | Senwes Park, Potchefstroom | 2017 |
| 159 | 36 | Ireland Women v West Indies Women | Old Hararians, Harare | 2021/22 |
| 156-8 | 36 | Ireland Women v England Women | College Park, Dublin | 1995 |
| 156 | 34 | Ireland Women v Netherlands Women | Sportpark Nieuw Hanenburg, The Hague | 2003 |
| 155† | 33 | Ireland Women v New Zealand Women | Anglesea Road, Dublin | 2004 |
| 151 | 46 | Ireland Women v India Women | Wellington College, Crowthorne | 1993 |
| 150-8 | 46 | Ireland Women v England Women | Castle Avenue, Dublin | 1995 |
| 148-6 | 43 | Ireland Women v Bangladesh Women | Phoenix Cricket Club Ground, Phoenix Park, Dublin | 2012 |
| 145-4 | 44* | Ireland Women v Australia Women | Bank of England Ground, Roehampton | 1993 |
| 144-5 | 44 | Ireland Women v Netherlands Women | Carey Grammar School Oval No 1, Melbourne | 1988/89 |
| 144 | 37 | Ireland Women v Bangladesh Women | Colombo Cricket Club Ground, Colombo | 2016/17 |
| 144 | 37 | Ireland Women v New Zealand Women | Claremont Road, Dublin | 2018 |
