Is the name McGowan, Irish or Scottish and how could I go about looking up my ancestors?

MacGowen means 'Son of the smith' and is actually two speerate clans , an irish and a scottish one. THe webpage below gives some information

Is the name McGowan, Irish or Scottish and how could I go about looking up my ancestors?
I am serious here....Ancestery.com and LDS.org
Reply:It's Irish. Generally speaking, Irish is Mc.Scottish is Mac.Both mean 'Son of',so McGowan is the son of Gowan.
Reply:Look in the answers to resolved questions in the Genealogy category. There are 250,000 links there.
Reply:Irish, just go to ancestry.com