I would interpret a US visa differently, and I would consider the official information given by the US State Department here:
https://en.wikipedia.org/w/index.php?title=Second_Amendment_to_the_United_States_Constitution&type=revision&diff=1002485125&oldid=1001415863
As the State Dept. explains, if the visa says "Given Name: FNU; Surname: Happy Traveler", it means that the State Department was unable to obtain either the given name(s) or the surname, so they put what they were able to determine in the surname field. So as far as I'm concerned, FNU is not part of some new name, it's just a place holder that the State Department prefers over leaving the field blank.
For verifying a person's name when they request a notarization, if they only have one name, I don't think it's important for me to classify it as a given name or a surname, just so long as I can verify it's their name.
If the document state's the signer's name is "FNU Happy Traveler" I'd be inclined to refuse. The signer is stating to me that his/her first name is unknown, and I don't believe it. And if the lawyer or title company don't like it, tough. |