| Roles | Competed in Youth Olympic Games |
|---|---|
| Sex | Female |
| Full name | Gabriella Courtney M.•John |
| Used name | Gabriella•John |
| Born | 22 February 1999 |
| NOC | Antigua and Barbuda |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2014 Summer Youth Olympics | Swimming (Aquatics) | ANT |
Gabriella John | |||
| 100 metres Breaststroke, Girls (YOG) | 28 | |||||
| 200 metres Breaststroke, Girls (YOG) |