1918–1950: The Municipal Boroughs of Barnstaple and Bideford, the Urban Districts of Ilfracombe, Lynton, and Northam, and the Rural Districts of Barnstaple and Bideford (including Lundy Island).

The election was declared void on petition, due to bribery, causing a by-election.

[18] Laurie's election was declared void on petition, due to bribery, causing a by-election.

[24] Waddy resigned in order to contest Sheffield, causing a by-election.

The political parties had been making preparations for an election to take place and by the Autumn of 1939, the following candidates had been selected;