Oh yes, there was a Richard Tarvin apparently born Liverpool 1691 who emigrated to USA, but there are no Tarvin's in Cheshire in any census return (1841 - 1911), so if there are Tarvin's left in UK then they moved out of Cheshire, and just about the only ones on the BMD are the Essex ones - hence me asking for a census lookup trying to see if there are any clues if they moved there from elsewhere. 1851 census is the earliest that has place of birth, so might be useful.
I can look them up myself if I can wait until Tuesday when out village library is open. Though I would ask here though.
Odd to find a surname where there are only maybe 10 or 20 people in the whole country with it back in 19th century. You would think it would make things easy to track down.
Steve