John Bradley was a member of the Wisconsin State Assembly.
[1] Bradley was born on April 29, 1817, in Bantam, Connecticut.
In 1844, he moved to Trenton, Dodge County, Wisconsin Territory, where he would work as a farmer.
On November 26, 1846, Bradley married Elizabeth Stevens.
Previously, he had been elected a town supervisor of Burns in 1861 and 1873.