"Birth" date and place are christening date and place.
"Field: Value; County: Nottinghamshire; Place: Oxton; Church name: St Peter and St Paul; Register type: Unspecified; Baptism date: 18 Jul 1763; Person forename: Mary; Father forename: John; Mother forename: Hannah; Father surname: LAMB; Person abode: Oxton; Transcribed by: Holly Brown; Credit: Holly Brown; File line number: 1585."
"Field: Value; County: Nottinghamshire; Place: Basford; Church name: St Leodegarius; Register type: Unspecified; Marriage date: 17 Jul 1786; Groom forename: Charles; Groom surname: HITHERSAY; Groom parish: Oxton; Bride forename: Mary; Bride surname: LAMB; Transcribed by: Laura Berry; Credit: Laura Berry; File line number: 767."
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