[3] In women's doubles, Gourlay was a four-time winner of the Australian Open (1972, 1976, 1977 (January), 1977 (December)).

Gourlay was twice the runner-up at the French Open in 1971 with Kerry Harris and 1977 with Rayni Fox.

She lived with Hudson, his wife Beryl and their children for three years while he coached her for free at his Granville (Sydney) tennis courts (1963-1965).

Gourlay also was coached by Hudson at his Terranora court, leading into many international events, including Grand Slams.

Gourlay was one of the inaugural coaches of the Australian Institute of Sport tennis program when it was established in Canberra in 1981.