| Emma Barker | 1:50.90 | 1996-06-09 | aged 11 | Club championships |
| Janlyn Grithiths | 1:45.69 | 1996-06-23 | aged 12 | Club championships |
| Zoe Beck | 1:43.97 | 1996-09-27 | aged 14 | unknown fixture |
| Fran McCarthy | 1:36.28 | 1997-02-08 | aged 13 | unknown fixture |
| Tina Bingham | 1:24.08 | 1997-03-30 | aged 13 | unknown fixture |
| Claire Shannon | 1:23.34 | 1999-02-20 | aged 12 | Herts Age Groups 20/2/99 |
| Joanne Watson | 1:22.82 | 2001-12-01 | aged 14 | Speedo League Round 3 |
| Carina Bays | 1:22.09 | 2007-10-13 | aged 13 | Speedo League 1 |
| Carina Bays | 1:19.04 | 2007-10-21 | aged 13 | Sheffield National Team Gala |
| Christie Bays | 1:18.09 | 2011-01-22 | aged 14 | Biggleswade Open Day 1 |