Do you have the full details of the possible 1st Marriage?
01 Aug 1818, St Giles, Durham, Durham
John KING, Pitman
Charlotte ADEY
Witnesses, William Frederic Adey and William Adey
Bride,Groom sign X.3rd Witness Richard TILLY
Burial same Church
JOHN King 22 Jun 1818, age 23, A Labouring Man
Baptism;
CHARLOTTE Addy 21 Nov 1790, St Mary and St Cuthbert, Chester-le-Street
Parents WM/CHRISTIAN
Abode Fatfield, Father a Pitman
Marriage Witness;
WILLIAM FREDERICK Aday Baptised 22 Feb 1795 Stockton-on-Tees to WILLIAM/CHRISTIANA
Fathers occupation Private solider in the loyal durham rangers
Burial;
13 Apr 1846 St Michael, Houghton-le-Spring
CHARLOTTE Wilkinson age 56 (1790) abode Hetton-le-hole, died April 10th
You may already have this but at least it confirms I agree with you
