Genealogy of Conor McCarthy, (son John McCarthy Mór), Barony of Muskerry, died 1761 assumed his father-in-law’s surname Welply, names include Baldwin, Uncles, Collins, Jagoe, Riordan.
Courtesy Barry Bradfield.
Another family is this type of category are the Shouldhams family of Dunmanway descended from a McCarthy heiress on the female line.
Maps 1801-1803, Shuldham (McCarthy) Estate 10,000 acres Dunmanway, Co. Cork
McCarthy Genealogy: From Irish Pedigrees; or the Origin and Stem of the Irish Nation by John O’Hart
West Cork History 
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