Career
He represented Ontario South in the Legislative Assembly of Ontario as a Liberal member from 1867 to 1871. McGill studied medicine at Willoughby Medical College in Ohio, received an Doctor of Medicine from McGill College in 1848 and studied at Mott"s medical school in New York City. He set up practice in Oshawa.
He was elected to the medical council of the college of physicians and surgeons of Ontario in 1866.
In 1871, he was defeated by Abram Farewell in his bid for reelection to the legislative assembly. McGill served on the county council from 1874 to 1876.
He became an elder of the Disciples Church.