Samuel Powel (1738–1793)
Samuel and Elizabeth Powel were friends of Bushrod Washington.
Samuel Powel was born in Philadelphia on 28 August 1738. A graduate of what is now the University of Pennsylvania, he was president of the American Society for Promoting Useful Knowledge and a co-founder of the Philadelphia Society for Promoting Agriculture. He also served as a justice on the Court of Common Pleas and member of the Pennsylvania State Senate (1791–93). Powel has the distinction of being the last colonial-era mayor of Philadelphia (1775–76) and the first mayor of the city after independence (1789–90).
Samantha Snyder, "Samuel Powel," Digital Encyclopedia of George Washington (George Washington's Mount Vernon).
Samuel Powell at Library of the Senate of Pennsylvania: Senate Historical Biographies.
Samuel Powell at Find a Grave.
Samuel Powel at FamilySearch.