Career
She defeated Critchley again at the 1966 general election, with an increased majority, but lost by over 5,000 votes at the 1970 election to Conservative Peggy Fenner. Always passionately interested in human rights issues, Kerr was vocal in protesting against the executions of three black Rhodesians in 1968, the first since Rhodesia"s Unilateral Declaration of Independence, placing a wreath of flowers outside the Rhodesian embassy in London on the day of the executions, on 6 March. She attended the 1968 Democratic National Convention in Chicago when she was detained and manhandled by police.
Kerr died at her home at Twickenham of acute alcoholic poisoning.