The MP for the latter seat since 1935, Labour's John Parker, continued to represent the new Dagenham seat until 1983; with 48 years in Parliament, Parker remains the longest-serving Labour MP in history.
The MP for the latter seat since 1935, Labour's John Parker, continued to represent the Dagenham seat until 1983. Parker was the last serving MP to have been elected before the Second World War, and with 48 years in Parliament, remains the longest-serving Labour MP in history.