William R. Davie was a Presbyterian.
From: Political Graveyard website (http://politicalgraveyard.com/bio/davie-davila.html#RDH0Q0LE7; viewed 7 December 2005):
Davie, William Richardson (1756-1820) - also known as "Father of the University of North Carolina" - of Halifax, Halifax County, N.C. Born in Egremont, England, June 22, 1756. Served in the Continental Army during the Revolutionary War; member, U.S. Constitutional Convention, 1787; Governor of North Carolina, 1798-99. Presbyterian. Member, Freemasons. Died in Land's Ford, Chester County, S.C., November 5, 1820. Interment at Old Waxhaw Presbyterian Church, The Waxhaws, S.C. Davie County, N.C. is named for him.
Note that numerous sources and authoritative references have been consulted in order to ascertain the religious affiliation of the American Founding Fathers. Note that the excerpts and references mentioned on this page are not the only references used in order to identify this person's religious affiliation.