As far as I know, Eira is EYE-ra. Carys is KA-ris (the 'a' in 'KA' is a very short 'a' that isn't often found in US accents - think it in a British accent).
♦ Chrisell ♦All we have to decide is what to do with the time that is given us. - J.R.R. Tolkien.