Background
Prentiss was born on September 10, 1818 in Montpelier, Vermont.
Prentiss was born on September 10, 1818 in Montpelier, Vermont.
He attended the University of Vermont before moving to Watertown, Wisconsin in 1845.
On December 4, 1855, Prentiss married Martha Jane Perry. They were the parents of three children. Additionally, he was an alderman of and Mayor of Watertown from 1853 to 1855 and again from 1871 to 1872.
Prentiss died on August 3, 1906.
He was buried at Oak Hill Cemetery in Watertown.
Prentiss was a member of the Assembly from 1860 to 1861.