(silver) June Maston (a.k.a. Ferguson)
1948 4x100 m relay
(gold) Cathy Ferguson
1964 swimming - 100 m backstroke; swimming - 4x100 m medley relay
(bronze) James Ferguson
1972 water polo
(silver/gold/bronze) Debbie Ferguson-McKenzie
1996; 2000; 2004 4x100 m relay; 200 m