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.

https://durrushistory.com/2013/10/02/maps-1801-1803-shuldham-estate-10000-acres-dunmanway-co-cork/

https://durrushistory.com/2014/05/22/some-cork-wills-1528-1859-destroyed-in-1922-copied-by-william-henry-welply-of-balineen-west-cork/

https://durrushistory.com/2012/10/02/mccarthy-genealogy-from-irish-pedigrees-or-the-origin-and-stem-of-the-irish-nation-by-john-ohart/

Welply Macroom