Career
Gillam was born in Omro, Wisconsin in 1861, but was educated in Windom Public Schools. He served in the Minnesota Senate from 1915-1926. He was preceded by Andrew Olson and succeeded by Moses Frost.
Outside of his work as a senator, he was the vice-president of Windom National Bank and served as mayor of Windom, Minnesota for three terms.
Gillam died in 1933.