Isaiah Mawhinney (12 December 1830 – 26 January 1913) was an Irish-born political figure in Manitoba.
He represented Burnside from 1883 to 1886 in the Legislative Assembly of Manitoba as a Conservative.
[2] In 1885, he was elected Provincial Grand Master for the Orange Order.
Mawhinney was defeated by Kenneth McKenzie when he ran for reelection in 1886.
This article about a Manitoba politician is a stub.