None of those names are Irish.
Catherine is common in
Ireland and
Kaitlyn is a horribly creative spelling of the Irish
Caitlin, and
Emma is not even remotely Irish.
Anyway...some of my favourite Irish names (and most of my favourite names are Irish) are:
Girls-
Caoimhe (kee-va)
Siobhan (shi-vawn)
Saoirse (seer-sha)
Aoibheann (ee-van)
NorahNiamh (neev)
Eimear (my little sister's name, ee-mer)
Aoife (my big sister's name, ee-fa)
Aisling (ash-ling or ash-lin)
Eibhlin (ave-leen)
Aine (my name, awn-ya)
Eilis (my mn, ay-lish)
OrlaBridgetBrigidMaeve MauraSiofra (sho-fra)
Boys-
ConnorAonghusTorinAodhan (aidan)
Tadhg (tie-g)
SeanSeamusCormacDaithiDeclanDermotEamonnFionnMalachy