James Lorimer Ilsley, PC, KC (January 3, 1894 – January 14, 1967) was a Canadian politician and jurist.He was born in Somerset, Nova Scotia, the son of Randel Ilsley and Catherine Caldwell. Ilsley was educated at Acadia University and Dalhousie University and was admitted to the Nova Scotia bar in 1916. In 1919, he married Evelyn Smith. Ilsley practiced law in Yarmouth and Halifax, Nova Scotia until he was elected to the Canadian House of Commons as a Liberal in the 1926 election.