Birth: 29 October 1815 Portsea,Hampshire, UK
Father: John Croucher 1787-1873
Mother: Rachel Taylor b1799-1842
Marriage: Unknown
Wife: Unknown
Death: Unknown
Unknown
Birth of John Croucher in the IGI on 29 October 1815, and his christening on 10 October 1817 at St Marys, Portsea, Hampshire, parents John and Rachel Croucher.
I cannot find any later information.