robin
It's either a typo or s/he works for Apple. It may mean that that a letter is missing; female Irish surnames begin with "ní" before the main name,meaning daughter of.
The Irish Gaelic language has no letter 'y'.
'Will' is not an Irish word and has no meaning in Irish.
It doesn't mean anything in Irish.
· Ibex · Ibis · Iguana · Irish setter · Irish Wolfhound
· Irish Mist
That would be Galway.
· Erne
It doesn't mean anything in Irish.
Nikko doesn't mean anything in Irish.
If you mean the Irish (Gaelic) it is not in that language. Irish has neither 'k' nor 'y' in its alphabet.
It doesn't mean anything in Irish: it's not an Irish name. I believe it's French.