Breithaupt was appointed Lieutenant Governor of Ontario in 1952 and served until 1957.
Clarke was appointed the ninth Lieutenant Governor of Ontario in 1903.
From 1931 to 1932, he served as the acting Lieutenant Governor of Ontario.
Matthews served as Ontario's 16th Lieutenant Governor of Ontario from 1937 to 1946.
Hendrie was appointed Lieutenant Governor of Ontario in 1914 and served until 1919.
He was the fifth Lieutenant Governor of Ontario between the years 1880-1887.
Ray Lawson was Lieutenant Governor of Ontario from 1946 to 1952.
Rowe was Lieutenant Governor of Ontario from 1963 to 1968.
He served as the 20th Lieutenant Governor of Ontario from 1963 to 1968.
There is also a Lieutenant Governor of Ontario who represents the Queen.