| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:33.09 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 100m Backstroke | 1:25.77 | RHAC Fall Classic 2025 | 2025-10-24 |
| 100m Breaststroke | 1:42.77 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 100m Breaststroke | 1:37.07 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Butterfly | 1:24.03 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 100m Butterfly | 1:22.75 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Freestyle | 1:18.79 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 100m Freestyle | 1:14.01 | 2025 MSSAC Open | 2025-12-19 |
| 200m Backstroke | 3:04.17 | RHAC Winter Invitational 2026 | 2026-01-16 |
| 200m Backstroke | 3:02.25 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Breaststroke | 3:35.69 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 200m Butterfly | 3:10.94 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m Butterfly | 3:11.61 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Freestyle | 2:50.25 | June Performance Meet 2025 | 2025-06-06 |
| 200m Freestyle | 2:37.59 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 200m IM | 3:12.19 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m IM | 2:58.77 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 400m Freestyle | 5:57.76 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 400m Freestyle | 5:40.49 | 2025 MSSAC Open | 2025-12-19 |
| 50m Backstroke | 40.17 | RHAC Winter Invitational 2026 | 2026-01-16 |
| 50m Backstroke | 39.25 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Breaststroke | 43.78 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 50m Butterfly | 37.96 | June Performance Meet 2025 | 2025-06-06 |
| 50m Butterfly | 37.32 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Freestyle | 33.98 | RHAC Winter Invitational 2026 | 2026-01-16 |
| 50m Freestyle | 31.86 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 800m Freestyle | 11:41.18 | RHAC Winter Invitational 2026 | 2026-01-16 |
Lee, Irene's top personal bests include 100m Backstroke (1:33.09), 100m Backstroke (1:25.77), 100m Breaststroke (1:42.77), 100m Breaststroke (1:37.07), 100m Butterfly (1:24.03).
Lee, Irene swims for The Richmond Hill Aquatic Club.
Lee, Irene has competed in 10 meets.