| Personal Details | |
| Name | Lily-May Welsby |
| Known As | Lily-May |
| Year of Birth | 2007 |
| Eligibility Category | Female |
| Membership Details | |||
| Member Number | 1269491 | ||
| Member Status | Current | ||
| Ranked Club | Aberystwyth and District Swimmin | ||
| Country of International Representation | Wales | ||
| Membership Categories |
| SW Competitive |
| Clubs & Organisations | |
| Club | Ranked |
| Aberystwyth and District Swimmin | Yes |
| Click For Personal Best | 2024 Short Course | Short Course PB | 2024 Long Course | Long Course PB |
| 50m Freestyle | . | 29.06 | 29.84 | 29.67 |
| 100m Freestyle | . | 1:02.93 | 1:05.22 | 1:05.22 |
| 200m Freestyle | . | 2:49.51 | . | 3:01.02 |
| 400m Freestyle | . | . | . | . |
| 800m Freestyle | . | . | . | . |
| 1500m Freestyle | . | . | . | . |
| 50m Breaststroke | . | 34.64 | 37.21 | 36.81 |
| 100m Breaststroke | . | 1:19.13 | 1:21.09 | 1:21.09 |
| 200m Breaststroke | . | 3:07.31 | . | 3:10.96 |
| 50m Butterfly | . | 35.02 | . | 42.87 |
| 100m Butterfly | . | . | . | . |
| 200m Butterfly | . | . | . | . |
| 50m Backstroke | . | 33.08 | . | 35.28 |
| 100m Backstroke | . | 1:14.77 | . | 1:18.89 |
| 200m Backstroke | . | 3:06.02 | . | . |
| 200m Individual Medley | . | 2:44.08 | . | 2:50.77 |
| 400m Individual Medley | . | . | . | . |
| 100m Individual Medley | . | 1:15.94 | . | . |
 |   |
