Career
Brewster was a local educator. He taught at the Grubb Schoolhouse in Mill Creek, Pennsylvania in 1818. He taught at a log house at 7th and Holland in Erie, and at the Erie Academy.
He served as sheriff of Erie County, Pennsylvania from 1828 to 1831.
He served as a burgess in Erie, Pennsylvania in 1849. He was the first person buried at Erie Cemetery, a graveyard he helped organize.
The Brewster Home, on East 5th Street between Holland and French Streets in Erie, was originally built in 1823 and restored by Erie Insurance in 1984.
