Full name: Mary Beth Pauline Stewart (-McIlwaine)
Gender: Female
Height: 5'1" (154 cm)
Weight: 97 lbs (44 kg)
Born: December 8, 1945 in Vancouver, British Columbia, Canada
Country:
Canada
Sport: Swimming
Related Olympians: Sister of Helen Stewart.
| Games | Age | City | Sport | Event | Team | NOC | Rank | Medal | |
|---|---|---|---|---|---|---|---|---|---|
| 1960 Summer | 14 | Roma | Swimming | Women's 100 metres Freestyle | Canada | CAN | 8 | ||
| 1960 Summer | 14 | Roma | Swimming | Women's 4 × 100 metres Medley Relay | Canada | CAN | 5 h2 r1/2 | ||
| 1964 Summer | 18 | Tokyo | Swimming | Women's 100 metres Freestyle | Canada | CAN | 6 h1 r1/3 | ||
| 1964 Summer | 18 | Tokyo | Swimming | Women's 4 × 100 metres Freestyle Relay | Canada | CAN | 7 | ||
| 1964 Summer | 18 | Tokyo | Swimming | Women's 100 metres Butterfly | Canada | CAN | 8 | ||
| 1964 Summer | 18 | Tokyo | Swimming | Women's 4 × 100 metres Medley Relay | Canada | CAN | 6 |
| Games | Age | City | Sport | Country | Phase | Unit | Rank | T | |
|---|---|---|---|---|---|---|---|---|---|
| 1960 Summer | 14 | Roma | Swimming | Canada | Final | 8 | 1:05.5 | ||
| 1960 Summer | 14 | Roma | Swimming | Canada | Semi-Finals | Heat Two | 5 | QU | 1:04.2 |
| 1960 Summer | 14 | Roma | Swimming | Canada | Round One | Heat Four | 4 | QU | 1:06.0 |
| 1964 Summer | 18 | Tokyo | Swimming | Canada | Round One | Heat One | 6 | 1:05.1 |
| Games | Age | City | Sport | Team | NOC | Phase | Unit | Rank | T | IST | CTAS | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1964 Summer | 18 | Tokyo | Swimming | Canada | CAN | Final | 7 | 4:15.9 | 1:05.5 | 1:05.5 | ||
| 1964 Summer | 18 | Tokyo | Swimming | Canada | CAN | Round One | Heat One | 4 | QU | 4:14.9 | 1:04.4 | 2:08.9 |
| Games | Age | City | Sport | Country | Phase | Unit | Rank | T | |
|---|---|---|---|---|---|---|---|---|---|
| 1964 Summer | 18 | Tokyo | Swimming | Canada | Final | 8 | 1:10.0 | ||
| 1964 Summer | 18 | Tokyo | Swimming | Canada | Semi-Finals | Heat Two | 4 | QU | 1:08.6 |
| 1964 Summer | 18 | Tokyo | Swimming | Canada | Round One | Heat Two | 3 | QU | 1:09.9 |
| Games | Age | City | Sport | Team | NOC | Phase | Unit | Rank | T | IST | CTAS | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1960 Summer | 14 | Roma | Swimming | Canada | CAN | Round One | Heat Two | 5 | 4:59.5 | 1:07.4 | 4:59.5 | |
| 1964 Summer | 18 | Tokyo | Swimming | Canada | CAN | Final | 6 | 4:49.9 | 1:09.3 | 3:44.7 | ||
| 1964 Summer | 18 | Tokyo | Swimming | Canada | CAN | Round One | Heat Two | 4 | QC | 4:46.6 | 1:09.7 | 3:42.9 |