John Warren was born on 19 June 1785, in Roxbury, Delaware, New York, United States as the son of "Rev." William Warren and Maggie Craig. He married Cynthia Grant on 6 February 1806, in Carmel, Putnam, New York, United States. They were the parents of at least 1 daughter. He lived in Southeast, Putnam, New York, United States in 1850. He died on 21 July 1868, in Danbury, Fairfield, Connecticut, United States, at the age of 83, and was buried in Kelley Cemetery, Carmel, Putnam, New York, United States.