http://forum.square-enix.com/ffxiv/t...ng-Conventions is my source for that (really interesting read).
The lalafell section has the line "Surnames are only surnames in placement, as they are not taken from the mother or father and are unique to the individual."

I actually thought you'd referenced that thread with
Quote Originally Posted by Kacho_Nacho View Post
I love the lalafell naming conventions stickied here.
I guess you meant some other thread? Or just missed that line?
Either way, nice to find someone else with an interest in the naming conventions. That's probably the thread I've revisited the most on these forums.