Okay, just for a laugh, here it goes:

My 'gaelicisation' of Iommi = Aigheomaí

Yes, this thread is about the "De-Anglicisation" (a term coined by Dr. Douglas Hyde) of Gaelic surnames which have been Anglicised (i.e., all of them). However, I would wager that two-thirds of the names posted have had no basis in the Gaelic language, let alone any other Celtic language! Ah, well, still good fun...