Domhnall Got Mac Cárthaigh (Got = stammering, lisping;[1] anglicisedDonal Gott MacCarthy), died 1251, was the ancestor of theMacCarthy Reagh [Riabhach] dynasty ofCarbery in the south ofMunster inIreland, andKing of Desmond from 1247 or 1248 until the time of his death, after holding the position oftánaiste from 1230.[2][3]
Domhnall Got Mac Cárthaigh (also called Domhnall Óg) was a younger son of Domhnall Mór na Curra, King of Desmond (r. 1185-1206), and was preceded by his elder brothers Diarmait (r. 1206-1230) and Cormac Fionn (r. 1230-1247).[citation needed]
In 1232 Mac Cárthaigh was taken prisoner by his brother Cormac. Upon his release a few months later, he slew three sons of MuirchertachÓ Mathghamhna, plundering his land, and seizing the territory between Kinelmeky and Ivagha, thus divided the O'Mahony septlands into two disconnected areas. Diarmait Ó Mathghamhna remained lord in Ivagha, and his brother Conchobar, lord in Kinelmeaky. According to theAnnals of Innisfallen, Domhnall "remained in the South".[4] There on the southwestern coast of Munster he established the small, semi-independent kingdom ofCarbery and acquired the additional sobriquet of Domhnall Cairbreach.[citation needed]
Domhnall Got left six sons:[3]
The McCarthy Y-DNA Surname Study has done extensive work researching and documenting the genetic origins and evolution of the MacCarthy septs. The study proposes that Domhnall Got possessed the uniquesingle nucleotide polymorphism (SNP), ZS4598.[7] Thus, while many participants of the study have been shown to descend from Domhnall Got, some belong to different branches, including those currently postulated to be Clann Tadhg Dall, MacCarthy Reagh and Sliochd Feidhlimidh. The MacCarthy Reagh contingent include the subsepts of Farshing [Fairsing], Rabagh [Rábach], Tallin (aka Tollin) and Tullach.[8]
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