Hey, what a WONDERFUL idea!! I...used to play Civilization 3 with my then-boyfriend... so I'm not too fond of my memories of the game. However, It's a great game, it was good fun, and complete, and as I've also read, 4 is pretty moddable! So, Cirrian, hm? I do remember :D
As for Selan and Pyrei. Seeing the roleplay, I'd have them separated, but of course, that's absolutely up to you! :)
I already want to see the screenies badly! BAAAAAAADLY I tell you!! *way-too-high-pitched voice*
Oh, and by the way, funnily enough, today I bought AoE3 and their expansions, etc. You can say I'm a history fan, and while it's nowhere near moddable as Civilization, the eye candy is certainly gorgeous!! Is it wrong to be in love with water reflections? :3
I would use Selan's name, since the other one was just... her masking herself since she had given up on living as a human. She was basically a rogue person, not with the humans, not with the rau-lass... so no, no. As for Pyrei, she wouldn't have been able to "lead" Oestin before meeting Selan, and of course, coming from a small town, her true surname is not of importance. I mean, I'm not going to make a twist about her so that she'd be related to someone important, or anything. Her true surname is not important, and since she adopted the "Ilyea" name, that's the one she'd stick to.
As for Selan's hometown, I might be absolutely and terribly wrong, because my memory is not the best memory in the world, but I do not believe I ever gave a name to her hometown, now did I? In the even that I can't remember because I really didn't give a name, I'll stop to think for a bit, and write it up later!