- [S196] FamilySearch ODM data (Ordinance Data Management), The Church of Jesus Christ of Latter-day Saints, (www.familysearch.org;), baptism of John William Maryon, son of Simon Maryon and Mary, 17 Jun 1821, Saint Luke Old Street, Finsbury, London, born 23 May 1821 (Reliability: 2).
- [S194] FamilySearch EASy data (Extraction Administration System), The Church of Jesus Christ of Latter-day Saints, (www.familysearch.org;), marriage of Simon Maryon and Mary Howard, 14 Nov 1819, St Anne's, Westminster, Middlesex (Reliability: 2).
- [S8] London, England, Births and Baptisms, 1813-1980, Ancestry.com, (online database linked to digital images of records from the London Metropolitan Archives and Guildhall Library, 2010;).
Burials in the Parish of St Mary Magdalen Old Fish Street in the City of London in the Year 1842
No.497. Mary Maryon, Boss Court, Upper Thames Street, Feby 6, 38, R H Barham