He represented Halton in the Legislative Assembly of Ontario from 1923 to 1929 as a Conservative member.
He was born on December 5, 1866, in Oakville, Canada West the son of Edward Hillmer and Jean Titherington.
Hillmer originally operated a delivery service and livery stable but later became the proprietor of a Ford agency.
He defeated Ernest Charles Drury to win a seat in the provincial assembly in 1923.
This article about an Ontario Progressive Conservative Party MPP is a stub.