The last non-Labour MP for the final one-third forebear Rotherhithe was won in 1931: early Conservative female MP Norah Cecil Runge, who polled 50.3% in 1931 before facing narrow defeat in 1935.
In 1931, Conservative female MP Norah Cecil Runge became the last non-Labour representative for the final one-third of Rotherhithe. She won with 50.3% of the vote but lost narrowly in 1935.