St. Mary's Roman Catholic Church (Philadelphia)

St. Mary's Roman Catholic Church
Location 252 S. 4th Street
Philadelphia, Pennsylvania, U.S.

St. Mary's Roman Catholic Church, also known as Old St. Mary's, is a historic church in Philadelphia, Pennsylvania. It is located in the Society Hill neighborhood at 248 S. Fourth Street, between Spruce and Walnut Streets.


Built in 1763, Old St. Mary's was the second Roman Catholic institution in the city. The building was enlarged in 1810 when it became the first cathedral of the new diocese of Pennsylvania, as which it served until 1838.

Notable interments

The adjacent churchyard, which dates to 1759, is the final resting place of several notable persons.

  • Commodore John Barry (1745–1803), father of the American navy
  • James Campbell, Postmaster-General of the United States
  • Mathew Carey (1760–1839), publisher and pamphleteer
  • Philippe Charles Tronson de Coudray (1738–1777), a French army officer who volunteered his services to the Continental Army
  • Thomas Fitzsimons (1741–1811), Continental Congressman
  • Stephen Moylan (1737–1811), military commander in the American Revolutionary War

External links

Philadelphia portal
  • Article at
  • Find-A-Grave

Coordinates: 39°56′44″N 75°08′54″W / 39.94563°N 75.14838°W / 39.94563; -75.14838

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