James Caven Mahaffy
Leader of the Official Opposition in Alberta
In office
February 18, 1943 – March 30, 1943
Preceded byAlfred Speakman
Succeeded byJames H. Walker
MLA for Calgary
In office
Preceded byEdith Gostick
Ernest Manning
John Irwin
John Hugill
Succeeded byRose Wilkinson
Howard MacDonald
Aylmer Liesemer
Personal details
Born(1905-08-29)August 29, 1905
Port Elgin, Ontario[1]
DiedNovember 29, 1986(1986-11-29) (aged 81)
Political partyIndependent Movement

James Caven Mahaffy (August 29, 1905 – November 29, 1986) was a provincial level politician from Alberta, Canada. He served as a member of the Legislative Assembly of Alberta from 1940 to 1944. Mahaffy held a seat in the electoral district of Calgary as an Independent. Mahaffy briefly served as Leader of the Opposition.

Political career

Mahaffy ran for a seat in the 1940 Alberta general election. He was elected to the third seat in the Calgary electoral district as an Independent under the Alberta Unity Movement.[2]

He briefly served as Leader of the Opposition during the 3rd Session of the 9th Alberta Legislative Assembly.

Mahaffy did not run for a second term in 1944.


  1. ^ Normandin, P.G.; Normandin, A.L. (1941). "The Canadian Parliamentary Guide". The Canadian Parliamentary Guide = Guide Parlementaire Canadien. Normandin. ISSN 0315-6168. Retrieved 2015-04-21.
  2. ^ "Calgary results 1940 Alberta general election". Alberta Heritage Community Foundation. Retrieved 2009-05-17.