Arwen - I like this one! not a LOTR geek, but it's a good one.
Tegan is nice. Welsh. I love Tegan but I hate Regan. Don't know why.
Zelda - not cletic but I like it. Quirky, powerful, strong.
Belinda plays bridge with Zelda. Don't mess with either of them.
Selma HOmer Simpson's aunt. I like it. My aunts have far worse names.
Shona - gaelic for Happy.
Nollaig (NULLig) gaelic for christmas. Very unusual here too. Heard very occasionally.
Bethan - WElsh for Elizabeth I believe
Muireann (Mwirren) gaelic, scots and Irish
Clio (goddess of something!? educate me somebody? - Clio short for Clodagh would really be my cupán té)
Zyla - I think I just made that one up. but like Lyla with a z. too like Xylaphone?
Gaia (goddess of earth. pronounced like Guy-ah) like it. Unusual but sane.
Skye - as in the isle of. love this one. never been there so I couldn't get a way with it.
Romilly - after romilly weeks? the mulberry handbag? romilly street in W1!? whatever, I like it.
Shelby, like a shelby mustang! NOt a big fan of car names, usually, but I do sort of like this one. Just like the sound of it, pretty sound but not too frilly.
Delaney - don't get this one, but it's the new madison in the usa. It matches your other children's names well.
Blythe Welsh, saw it on American boards a bit, a while ago. Ditto Brynn, but for girls.
Girly names not yet popular
Posy
Tanzy
Polly
Urbane urban chic
Lois
Dulcie
Edie