Thanks, Lois, but please see the message from Lionel C on this thread:
www.isle-of-man.com/genealogy/messageboard/index.pl/page/1/md/read/id/553574

I was hoping that someone could access censuses for the parents after the 1851 one, in the hope of more specific details of place of birth being given, and exact ages (including months) which some US ones have.

Sue