The 14th Legislative Assembly of Ontario was in session from June 29, 1914, until September 23, 1919, just prior to the 1919 general election. The majority party was the Ontario Conservative Party led by Sir James P. Whitney.
William Howard Hearst became party leader and Premier after the death of James P. Whitney in September 1914.
- died in 1914
- appointed Lieutenant Governor
- died in 1917
- died in 1916
- entered federal politics
- died in 1918
- resigned to accept appointment