[1] She became a nursery school teacher and a member of the Socialist Party of Great Britain, but resigned from the latter over the Turner Controversy.

She served on London County Council, losing in Lewisham West at the 1961 election, but winning a by-election to represent Wandsworth Central from 1962 until 1964.

[3] Lestor was one of the founding editors of anti-fascist monthly, Searchlight, though that magazine had only a tenuous connection to the current publication.

After boundary changes in 1983, Lestor contested the new constituency of Slough but was defeated by the Conservative candidate John Watts.

Neil Kinnock, who became leader of the Labour Party shortly after the election said he was "heartbroken" by Lestor's defeat.