Name mc. prefixes

— Feb 12 '14 at 9:10• Suffice it to say, some languages are fine with unmarked patronymics — names that identify the bearer's father using the unmodified given name — but Gaelic is not one of them It is from David Booth's 1766-1846 book: An Analytical Dictionary of the English Language
" Page xcvii or pdf page 113 Source: What is true is that O' is almost exclusively Irish; despite the romantic notions we have of Scottish clans, they didn't use their clan affiliation in their names
"Words in ITE very generally denote one of a tribe or nation, and as such may be taken substantively, and have the plural Such PATRONYMICS father-names , as they are called, exist among all nations
I found the following quote which could be helpful The Israelites were the children of Israel, as the Danaides were of Danaus ; in the same manner as the MAC son of the Irish, refers to the father of the tribe, to whose name the syllable is prefixed
Edit: as for why the prefix is used even though the prefix-less names look perfectly fine on their own, this is basically Gaelic grammar and thus out of scope for this site
Like the ides of Homer, they bore the name of their ancestor