| Roles | Competed in Olympic Games |
|---|---|
| Sex | Female |
| Full name | Una Lorraine•Morris (-Chong) |
| Used name | Una•Morris |
| Born | 17 January 1947 in Kingston, Kingston (JAM) |
| Measurements | 180 cm / 58 kg |
| Affiliations | Kingston Technical High School, Kingston (JAM) / Cal Poly Pomona Broncos, Pomona (USA) |
| NOC | Jamaica |
Una Morris had the following podium finishes at major championships: 3rd in the 1967 Pan American Games 4×100 metres Relay (with Vilma Charlton, Audrey Reid, and Carol Cummings). At the 1967 Pan American Games Morris also finished sixth in the 200 metres.
Personal Bests: 100 – 11.4 (1968); 200 – 23.58 (1964); 400 – 53.9y (1966).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1964 Summer Olympics | Athletics | JAM |
Una Morris | |||
| 200 metres, Women (Olympic) | 4 | |||||
| 400 metres, Women (Olympic) | 6 h1 r2/3 | |||||
| 4 × 100 metres Relay, Women (Olympic) | Jamaica | 5 h1 r1/2 | ||||
| 1968 Summer Olympics | Athletics | JAM |
Una Morris | |||
| 200 metres, Women (Olympic) | 7 h2 r2/3 | |||||
| 400 metres, Women (Olympic) | 6 h1 r2/3 | |||||
| 4 × 100 metres Relay, Women (Olympic) | Jamaica | AC h1 r1/2 | ||||
| 1972 Summer Olympics | Athletics | JAM |
Una Morris | |||
| 200 metres, Women (Olympic) | 5 h1 r2/4 | |||||
| 4 × 400 metres Relay, Women (Olympic) | Jamaica | 5 h2 r1/2 |