McDonald & MacNewcastle are Scottish names, but what does the Mc & Mac stand for?

5 Answers

Tony Newcastle Profile
Tony Newcastle answered
The word is 'SCOTTISH', Sir. 
[--You insult the clans with your careless mis-spelling].
The MacDonalds are a very proud SCOTTISH Highland clan family and bear no connection whatsoever with the rubbish-food American franchise name.
As for 'MacNewcastle', this is a bit of tomfoolery because there is a city called Newcastle, but no such SCOTTISH clan.
[---Back to school, now!!]
thanked the writer.
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Tony Newcastle
Tony Newcastle commented
Josie: You sure ain't ugly!!
--I think comic and actor Billy Connolly (born in Glasgow) DOES live in a castle --outside of Aberdeen!
catherine adams
catherine adams commented
Mc is a shortened form of Mac and never heard of a McNewcastile. And, Mac is the original Gaelic form, and means descendent of...for example for me, MacKenzie, one of my clans! The prefix Mac is used in Ireland, Scotland, America [and sadly for awful food outlet too]. Oh and the Mac's have a tartan, and if you, get a tartan kilt on, then remember it's a law, no underpants and a great swing it about...Hope useful.
Tony Newcastle
Tony Newcastle commented
Ther law should really say that you have to wear underpants when donning a kilt.
--At least in the daytime, anyways....
catherine adams Profile
catherine adams answered
These McDonalds and sons of these Mc's Macs had a Bryan McDonald, who settled in New Castle, Del. 1696 and these wee 'macs' went all over the world, settling in many parts of it. The first McDonald to register a trade name, did it on the 4th May, 1961 - a Drive-In Restaurant and well along with some of my old ancesters, a different Mc a MacDonald, settled in New Zealand and produced wines.
Janey Profile
Janey answered
It's a Gaelic prefix for "Son of" used in Scottish and Irish genealogy and surnames.
Duane Bryant Profile
Duane Bryant answered
Either Mc or Mac is used to mean "son of" by BOTH Scottish and Irish.  Armenian's use "ian" for the same purpose,  Armenian is litterally "son of Armen".  Ibn is used in the Middle East.

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