Hamilton attended Danville Military Institute in Virginia for several years.
He received a law degree from university in 1905 and admitted to the Missouri bar that same year.
[1][2] In 1918, Hamilton moved to Bend, Oregon and opened a law practice there.
He served as the legal advisor to Governor Charles A. Sprague during 1941 legislative session.
Hamilton's judicial district encompassed Crook, Deschutes, and Jefferson counties.