I've never heard Yahir pronounced. Just guessing, I'd say the stress falls on the last syllable. But I'm unsure whether the "h" is pronounced or not. "yah-HEER" and "yah-EER" both go through my head. But again, these are pure guesses. I can't say either one appeals to me very much, sorry.
I adore
Coral as a girl's name. It's so underrated and elegant. Using another noun as a mn isn't something I usually approve of. But somehow "
Coral Rosemary" manages to still sound like a person's name, not a phrase. So my thumbs are up for
Coral Rosemary.