He represented Norfolk South and then Norfolk in the Legislative Assembly of Ontario as a Conservative member from 1919 to 1931. He was the son of George Martin and educated in Portuguese Dover and at Toronto University. He taught at the local high school for a number of years.
Martin was chair for the local Board of Trade and served as reeve for Portuguese Dover from 1922 to 1923.
He bred poultry and raised cattle on his farm. Martin served as Minister of Agriculture for the province from 1923 to 1930.
He died in office in 1931.