A possible in 1841, even if Mary's birthplace is iffy?
HO107; Piece 1140; Folio 3/31; Page 9 - Cottage Lane, Birmingham
Thomas HOLTON 25 Porter
Mary HOLTON 25
John HOLTON 2
Elizabeth HOLTON 1
(All born Warwickshire.)
If/when funds permit, the marriage certificate would give the name and occupation of Thomas' father, and confirm his own age and occupation.
Rambler