Dílseacht an t-aimn atá ar m'onóir
The Irish name Deirdre was spelled Derdriu in Old Irish.
If it is spelled in that way, yes it is an Irish name.
It's already spelled in Irish!
The name is spelled Máire in the Irish language.
'Nicole' has no meaning in Irish. The name is spelled Nicole in Irish as in English.
Kevin is spelled Caoimhín in the Irish language.
The name has no Irish language version; it's still spelled Irene.
The Irish girl's name is spelled Siobhán.
Even with the last name in a 'Gaelic' form Irene was spelled as in English.
In Irish it is spelled Ceallach, Kelly (used by male/female)A similar female name was Ceallsach.
The name 'Herbert' is spelled Hoireabard in the Irish.
If you mean as a feminine first name, it's still spelled Erin, even if the last name is in an Irish Gaelic spelling.