Born in Toronto, her husband bought her a Wolseley Hornet in which she started racing. She also raced Austins, Invicta, a Bugatti and the ex-Cobb 10.5 litre Delage. She had a serious crash on the Brooklands Byfleet banking during practice for the 1937 BRDC 500 and though she raecovered completely she lost he enthusiasm for racing. Later she worked as a journalist.
Kay Petre died 26 years ago, she was 91