The 1940 electoral results for the Division of Cowper resulted to Country candidate Sir Earle Page, winning over Labor candidate Myles Kelly.
1940 Australian federal election: Cowper Country Sir Earle Page Labor Myles Kelly 53.7 21.9 
Country Sir Earle Page 27,773 Labor Myles Kelly 11,350 52,666 
Country Sir Earle Page Myles Kelly Labor Country hold 1940 Australian federal election: Cowper 
