Blackman was born in Gilbertsville, New York, on July 15,1826, to Dr. Josiah Blackman (1794--1875) and Clarissa Blackman (née Camp; d.1864).
Blackman was born in Gilbertsville, New York, on July 15,1826. Her parents were Dr. Josiah Blackman (1794--1875) and Clarissa Blackman (née Camp; d.1864).