I believe these are the parents of James Campion-678. See what you can find.
in the London and Surrey, England, Marriage Bonds and Allegations, 1597-1921
||7 Nov 1785|
Ancestry.com. London and Surrey, England, Marriage Bonds and Allegations, 1597-1921 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2011.
Original data: Marriage Bonds and Allegations. London, England: London Metropolitan Archives.