'Will' is not an Irish word and has no meaning in Irish.
It doesn't mean anything in Irish.
''Harold Hardraada'' means mighty warrior
If you mean Harold Godwinson well then wessex.
Nikko doesn't mean anything in Irish.
It 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.
"eme" doesn't mean anything in Irish. It doesn't look like an Irish word.
"Isabelle" doesn't mean anything in Irish, but the Irish version of the name is Sibéal (shibael).
Does Ballavue mean anything in Irish? I can find no example of it as a placename. 'Vue' is not a word in Irish.
Not an Irish word.