hi david, came across you search for a thomas castles i too are looking for my family of castles from england, thomas is the one i'm stuck with my one i think maybe born in 1795? he married a hannah cann i think she might have been born in 1799 they had a son name george he was transported to australia he was born in walkern hertfordshire in 1819 he married ann burgess that also came to australia i have hit a brick wall i'm not a full member yet to find out more might have to join up, well happy searching your family cheers