Can anyone help me understand the stress of Irish names?

United States
January 9, 2007 6:55pm CST
How come names like McInerny and McAfee stress the 'Mac' prefix?? At first I thought it had something to do with the following vowel, but then I thought of McInnes... I know nothing of the rules, so those of you who do, please enlighten me.
1 response
@nkarthick (1273)
• India
18 Jan 07
I just now Know Mc is an Irish word for me its easy to spell. ok bye