Career
He represented Yarmouth County in the Nova Scotia House of Assembly from 1925 to 1928 as a Liberal-Conservative member. He was born in Halifax, the son of Charles Cahan and Mary Chisholm. He was educated at Dalhousie University and McGill University.
In 1912, Cahan married Beatrice Eleanor Davies.
Cahan served as a captain in the 1st Canadian Pioneers during World War I. He was seriously wounded during the war and later died in Halifax at the age of 39 as the result of his wounds.
