Hello,
When I use Gaelic names like Mac Carthaigh, Mac Dhòmhnaill, etc. I pronounce them [mak]. But I once heard [max] :confused:. What's more, I saw that the article mac on Wiktionary uses other pronunciations:
Irish Gaelic: [mˠɑk], [mˠaːk], [mˠak]
Scottish Gaelic: [maʰk], [maxk]
So I wonder...