| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:35.19 | East Coast Championships | 2025-07-10 |
| 100m Freestyle | 1:06.23 | 2025 Eastern Ontario LC Regional Championships | 2025-06-05 |
| 200m Breaststroke | 3:28.26 | East Coast Championships | 2025-07-10 |
| 200m Freestyle | 2:30.73 | 2025 Eastern Ontario LC Regional Championships | 2025-06-05 |
| 200m IM | 2:54.11 | 2025 Eastern Ontario LC Regional Championships | 2025-06-05 |
| 50m Breaststroke | 41.38 | East Coast Championships | 2025-07-10 |
| 50m Butterfly | 33.62 | East Coast Championships | 2025-07-10 |
| 50m Freestyle | 29.95 | 2025 Eastern Ontario LC Regional Championships | 2025-06-05 |
Dean, Isabella's top personal bests include 100m Breaststroke (1:35.19), 100m Freestyle (1:06.23), 200m Breaststroke (3:28.26), 200m Freestyle (2:30.73), 200m IM (2:54.11).
Dean, Isabella swims for ROC Swimming.
Dean, Isabella has competed in 2 meets.