Career
He represented Saint John"s West in the Newfoundland and Labrador House of Assembly from 1882 to 1889 and from 1897 to 1900 as a Liberal. He was born in Saint John"son In 1877, he established a retail and wholesale grocery business.
Callanan was president of the local Mechanics" Institute from 1876 to 1890.
Callanan served in the city council for Saint John"s from 1894 to 1898. He died in Saint John"s in 1900.