only when your born if rereg in farthers name in uk as with mine started as smith then farthers name but as i had didagrement long time ago in 80s i changed with deedpoll back to smith and all my docs passport driving licences are in smith even army docs there are nothing connecting me with farthers name only birth cert when i got married to ex in usa all i needed was passport not even anything to prove we we single no cni just the fee
