[2][3][4] She won the Australian Championship singles in 1939, defeating Nell Hopman in straight sets.

[5] In 1937 she was a finalist losing in the final to Nancye Wynne Bolton in three sets.

[6] Together with Margaret Molesworth, she won three women's doubles titles at the Australian Championships in 1930, 1933, and 1934.

[7] In 1939 the Queensland Lawn Tennis Association proposed to send Westacott and May Hardcastle to the Wimbledon Championships, but Westacott declined due to illness of her mother.

[8][9] She married Victor Clyde Westacott on 20 August 1930 at the Methodist Church in Brisbane.