Willie Brooke Labour Hubert Beaumont Labour The 1939 Batley and Morley by-election was a parliamentary by-election held in the United Kingdom on 9 March 1939 for the House of Commons constituency of Batley and Morley in the West Riding of Yorkshire.

The Labour Party MP for the seat Willie Brooke died on 21 January 1939 at the age of 44.

He had been the MP since the 1935 general election.

This was a traditional Labour/Liberal marginal until 1931 when no Liberal candidate stood and a Conservative won for the first time in the National Government landslide.

Brooke comfortably regained the seat at the last election; The Labour Party held the seat with an increased majority.