Johnson is not an Irish name. This is not to say there are not Johnsons with Irish ancestry. So no Irish county is associated with the name Johnson.
Roibín
The form used in Irish is Heather as in English.
Yeah I would say if was
match-you
As a male name, Dónall.
YES! Some say it's the Irish version of Charles, but that is not true.
If a given name it would stay the same; no Irish equivalent.
The name has no Irish language version; it's still spelled Irene.
The native Irish name Doireann has been wrongly anglicized as Dorothy.
Devin in Irish is 'Dubhain's Heir'. It is a very popular boy name.
I would say yes because of the Mc. My mothers maden name is McIntyre and that is Irish so I would say yes. I don't know about the Cully but I would say yes.