|Canadian Senator for Ontario|
September 24, 1962 – April 7, 1976
|Appointed by||John G. Diefenbaker|
Michael Grattan O'Leary
February 18, 1888
Percé, Quebec, Canada
|Died||April 7, 1976 (aged 88)|
Ottawa, Ontario, Canada
|Political party||Progressive Conservative Party (1962-1976)|
|Relations||Frank McGee (son-in-law)|
|Profession||Newspaper Reporter, Editor and Publisher|
He was born in Percé, in the Gaspé, Quebec on February 19, 1888. He spent two years at sea before entering journalism with the St. John Standard. He began work at the Ottawa Journal in 1911. He later became editor of the paper. He was a member of the Parliamentary Press Gallery for more than 20 years.
He took a very an active interest in public affairs. He ran as a Conservative Party candidate in the federal riding of Gaspé in the general election of 1925 but was defeated. He was a confidant of a number of Prime Ministers, including Arthur Meighen and John Diefenbaker. He chaired the Royal Commission on Publications. O'Leary was appointed by Diefenbaker to the Senate in 1962.
He died in Ottawa on April 7, 1976.
- Grattan O'Leary – Parliament of Canada biography
- "Memorable Manitobans: Grattan O'Leary (1888-1976)". Manitoba Historical Society.
- Robert Bothwell. "Michael Grattan O'Leary". The Canadian Encyclopedia. Retrieved August 25, 2019.
- O'Leary, Grattan (March 16, 1950). Democracy Begins At Home (Speech). Empire Club of Canada. Toronto.