Duncan Kenneth MacTavish

Duncan Kenneth MacTavish (August 3, 1899 – November 15, 1963) was a Canadian Senator.

Background MacTavish was a millionaire and one of Canada's leading corporate lawyers. He was a chief Liberal Party strategist and fundraiser and was an advisor to three Liberal Prime Ministers - William Lyon Mackenzie King, Louis St. Laurent and Lester Pearson and had also known Sir Wilfrid Laurier, a friend of his father, as a youth.

His father was Judge Duncan Byron MacTavish. He was educated in Ottawa and at Queen's University and Osgoode Hall Law School before being admitted to the bar in 1926.

MacTavish was appointed to the Senate of Canada in June 1963 by Prime Minister Pearson and served in the Senate for five months until the fatal accident.

He was a senior partner in the Ottawa firm of Gowling, MacTavish, Osborne and Henderson and was an officer of 34 corporations as well as a member of the Board of Trustees of Queen's University.

During World War II he served as deputy Judge Advocate General of the Royal Canadian Navy with the rank of captain.

In the early 1950s he served as chairman of the Federal District Commission (the precursor of the National Capital Commission) which was responsible for creating what became the National Capital Region.