I just found the marriage record of William JOHNS and Elizabeth BROGKDON [sic] at St. Paul's Church on 19 Apr 1760.
As I have a 5th great-grandmother named Elizabeth who was the widow of William JOHNS and enumerated in the 1790 census of Philadelphia, I am inclined to believe that this is their marriage record.
Elizabeth later moved to New York City, Stamford, Connecticut, and Clermont/Adams County, Ohio with her daughter, Sarah/Sally, and son-in-law, Joseph Marie Genoways/Ginouves.
I have these notes:
Name: Elizabeth Brockden Johns
Date: 29 Aug 1795
Prove Date: 10 Apr 1800
Remarks: Letitia Pryor. City of Phila. Widow. Aug 29, 1795. April 10, 1800. Y.317. Niece: Ann Massey, Wife of Charles Massey. To Ann, John, Mary, Duncan, Charles and Thomas Massey, Children of Niece Ann, Wife of Charles Massey. Nephews and Nieces: Thomas Pryor, Norton Pryor, the elder. To Ann Tea and Elizabeth Johns, Daughters of Late Brother Charles Brockden, Dec'd. Exec. and Guardians: Charles Massey, Niece Ann Massey, his Wife, John Greiner. Codicil: Signed Oct 14, 1799. Mary Duncan, Daughter of Charles and Ann Massey, having died. To Robert and Mary Duncan, Children of Mary, Dec'd. To Brothers and Sisters of Mary Duncan, Dec'd. Revoking bequest to Nephew Thomas Pryor. Witnesses to Codicil: Daniel Dick, Jno. Olden.
Name: Charles Brockden
Date: 22 Jan 1754
Prove Date: 18 Jun 1756
Remarks: Brockden, Richard. City of Philadelphia. Gentleman. Jan. 22, 1754. June 18, 1756. Children: Latitia, Ann and Mary. Grandchildren: Richard, Charles, Ann and Elizabeth Brockden; Latitia, Ann, Charles, Thomas Norton and Elizabeth Pryor. Son-in-Law: Nerton Pryor. Exec: Latitia Brockden.
If this is my Elizabeth, I will be glad to exchange info.