|Member of the Legislative Assembly of Manitoba for Rockwood|
Perth County, Ontario
|Died||July 8, 1926
Riley was born in Mornington Township in Perth County, Canada West (now Ontario), the son of Charles Riley, and was educated at public schools. He entered business as a lumber merchant. In 1876, Riley came to Winnipeg. He later moved to Stonewall, Manitoba where he was a lumber merchant and also owned a hotel. In 1882, Riley married Laura M. Poore.
He was first elected to the Manitoba legislature in the 1899 provincial election, defeating Liberal incumbent Samuel Jacob Jackson by sixty-five votes in the Rockwood constituency. The Conservatives won a majority government, and Riley served as a backbench supporter of the administrations led by the Hugh John Macdonald and Rodmond Roblin. Riley was re-elected in the elections of 1903, 1907, 1910 and 1914, and continued to serve as a government backbencher. In the 1914 campaign, he defeated Liberal candidate Arthur Lobb by fifty-nine votes.
He died in Stonewall in 1926.
- Quickfall, Robert Addison (1960). Rockwood echoes : 90 years of progress, 1870-1960 : a history of the men and women who pioneered the Rockwood Municipality. pp. 390–91. Retrieved 2012-11-17.
- "Isaac Riley (1853-1926)". Memorable Manitobans. Manitoba Historical Society. Retrieved 2012-11-17.
- "Legislature Scandal". TimeLinks. Manitoba Historical Society. Retrieved 2012-11-17.