The Irish surname 'mac Conghail' is pronounced as "mack-KOHN-gal."
It doesn't have an Irish meaning as it is an English surname.
Irish isn't ancient it is still spoken Ó Maoilchluiche - O Meel-khlih-heh
It is Goisdealbh which is the origin of the surname Costello(e).
'Kerr' is not a word in the Irish language.
Sean Patrick Hourihan is 6' 2".
Correctly spelled Fionnagán seen in the Irish surname Ó Fionnagáin, sounds roughly like finn-a-gaun.
No, it is not of Irish origin. It is mostly an English surname, but occassionally a Scottish surname as well.
The Irish version of the surname Burke is "de Búrca."
The proper way to pronounce the surname 'McLachlan' is 'Mac Locklin'
As far as I can tell it is not a strictly Irish surname. But it does come from the the British Isle.
The Irish form of the surname Hackett is Haicéad, pronounced somewhat like'hack-ade'. The form Haicéid is also seen.(The Munster dialect stresses the second syllable: hack-ADE.)