John Hahn was born in
New Hanover Township, Pennsylvania. He studied at the
University of Pennsylvania School of Medicine, graduating in 1798, and practiced medicine. Hahn was elected as a Republican to the
Fourteenth Congress. He resumed the practice of medicine and also engaged in agricultural pursuits. He died in New Hanover Township in 1823, and was interred in Falkner Swamp Graveyard. ==Sources==