The former "Mc" part of his name is Scottish and means son of. The latter part, "Cain," is of Hebrew origin meaning craftsman.
I realize the "Mc" or "Mac" (in Scotland) is 'son of'.
You're mistaken though.
McCain is an Irish surname. It's not Scottish. And I sincerely doubt there's anything "Hebrew" about the name 'Cain'. Remove the "Mc" and you've got "Cain" which is utterly and entirely
Irish and another legitimate Irish surname.
McCain's Irish ancestry
Hiberno-Scottish or IRISH family name
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from Ulster Heritage Magazine:
"Those that have read Senator McCain’s autobiography,
Faith of Our Fathers, will know that he addresses his McCain roots briefly in that book. He gives a short history of his McCains being Highland Scots, connected to Clan Donald. So, how does that tie into the reality of his Antrim roots? Well, he made a slight, but very understandable error in his family history, one which many McCains of this family have made, including myself. The story he gives was one that circulated widely among the members of our family from the early 1900s well into the 1980s. It was a story crafted by early researchers who meant well, but were totally lost in the very Gaelic world of the early McCains. It was only recently and after he completed his book that a more complete and accurate history of this McCain family was recovered. This
recovered history was the work of several McCain researchers, both native born Irish McCains and McCains in Canada and USA, who used DNA testing and primary source research to find out what they could about the family.
This is where the research into this family is at present; both the primary source research and the DNA testing suggest they were one of many Gaelic families that moved back and forth over the Irish Sea and part of the Gallóglaigh kindreds. Research is still ongoing so it is premature to come to final conclusions, but Senator McCain’s roots go back to this Gaelic world.
He is of Irish ancestry; this is certain, but there is an old link to Argyll and to Gaelic Scotland as well. Given the dynamic history of his family, his father, grandfather, and now his son, this history fits them well."
Any questions?