
| 1. | Dr. Gerardus Clarkson, M.D. was born in 1738 in New York City, New York County, New York Colony, British Colonial America; was christened on 26 Dec 1738 in New York City, New York County, New York Colony, British Colonial America; died on 19 Sep 1790 in Philadelphia, Philadelphia, Pennsylvania, British Colonial America; was buried on 21 Sep 1790 in Philadelphia, Pennsylvania, United States. |