Marilyn,

Thanks for your message; I do have your Samuel Feast & Mary Lenton family, who are in the 1841 UK census but I could not see thjem in the 1851 census so presumably they had already migrated to Canada. There's no Luith in the family -- could this be a misreading for sister Jill? I'll send details later, but I don't have your email address.
Edward (feast@one-name.org)