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One of my bugbears is user databases that assume or impose first-name, surname fields, based on assumptions about how people's names are structured. This W3C note on personal names around the world outlines some of the ways names are understood around the world, and has suggestions for designing UIs accordingly.
Checklist for programmers working on almost any web site that processes peoples’ names, even if it is just in the login & profile sections. The upshot of this is most of the clever ideas you might have for parsing and making deductions from a person’s name are probably not generally useful and should not be attempted!
Naming authors, and processing people names in general, is a tricky subject. Here is a note on just some of the variability an internationalized application that handles names must take in to account.