I would be spelled the same. Some names are left in the original form.
The Irish name Deirdre was spelled Derdriu in Old Irish.
It is spelled Féilim in Irish.
It's already spelled in Irish!
The name is spelled Máire in the Irish language.
Audrey is spelled Aidrí in Irish.
In Irish it is variously spelled Seoighe, Seoige.
an Ghleanna
It is spelled spaigití.
Linzi
It's the greeting "Hi" spelled in Irish.
If it is spelled in that way, yes it is an Irish name.
'Nicole' has no meaning in Irish. The name is spelled Nicole in Irish as in English.