Background
Born in the township of Lancaster, Upper Canada (now Ontario), the son of Roderick Maclennan and Mary Macpherson, he received a Bachelor of Arts from Queen"s University in 1849.
Born in the township of Lancaster, Upper Canada (now Ontario), the son of Roderick Maclennan and Mary Macpherson, he received a Bachelor of Arts from Queen"s University in 1849.
Studied at Queen's University. Bachelor of Arts 1849. Doctor of Laws 1885. Bar of Ontario, 1857.
He practised law with Oliver Mowat in Toronto until 1888, when he was appointed to the Ontario Court of Appeal. He was the editor of The Ontario Judicature Acting, 1881 (1884)
Maclennan ran unsuccessfully for a seat in the Ontario assembly in 1871. In the 1874 federal election, he was elected to the Canadian House of Commons in the riding of Victoria North.
However, the election was declared void.
In 1905, he was appointed to the Supreme Court of Canada and retired in 1909. Maclennan was married twice: to Elizabeth McGill in 1862 and to Mary L. Strange in 1909, possibly children, but none surviving him.
