Birth: 1740 Westminster, Middlesex, UK
Father: John Croucher (Crowcher) 1709-a1742
Mother: Elizabeth Hall b1714-a1744
Christening: 25 July 1742 Saint Clement Danes, Westminster, Middlesex, UK
Married: Unknown
Wife: Elizabeth ?
Death: After 1765
John Croucher 1765-a1799
Christening of John Crowcher in the IGI on 25 July 1742 at Saint Clement Danes, Westminster, London, parents John and Elizabeth Crowcher.
I guess he was the father of the John Croucher born in Marylebone in 1765 in which case his wife was Elizabeth.