Here's a breakdown:
* Cailin: Pronounced "KAY-lin", with a soft "C" sound similar to the "K" in "kite".
* deas: Pronounced "DYES", with a long "E" sound like the "E" in "tree".
It's important to note that this pronunciation is based on the standard Irish pronunciation. There may be regional variations, especially in areas with a strong local dialect.