Career
He was a lawyer and a supporter the American Revolutionary War. After his 1761 graduation from the College of Philadelphia (now the University of Pennsylvania) he became a lawyer After the Revolution, he served as recorder of Philadelphia from 1789 to 1791.
Membership
American Philosophical Society]
Wilcocks supported the American Revolution as a member of Philadelphia"s committee of safety. Wilcocks was elected a member of the American Philosophical Society in 1768 and served as a University of Pennsylvania trustee from 1779 until his death in 1801.