"Irish" in Spanish is " irlandés". It is pronounced "ear-lahn-DACE". Please see this site for confirmation of the translation: http://www.answers.com/library/Translations
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Alaina doesn't have a spanish translation. There are French, Irish, and Italian names that are similar to it though.
Ryan does not mean anything Spanish because it is not a Spanish name. It is an Irish Gaelic name, and it means 'little king.'
'Tu me haces falta, mi chula irlandesa' = I miss you, my Irish rogue/knave/clown.
Since there is no Spanish equivalent of the name, it would just be "Casey" with a Spanish accent. If the Casey in question is a girl, you could instead use "Casandra."
It's crap
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voltereta
no trabajo
azul
Natalia.
sentado.
It is not an Irish word. It may be Spanish, however.
"Eso es"
Las pirámides
No, she is Spanish and Irish.
No