|Groarke||Quite numerous: Mayo and scattered. Ir. Mag Ruairc. Ó Corráin & Maguire remark that the rare early name Ruarc may contain the word arg, a hero or champion. However, Woulfe and MacLysaght regard it as a Norse name, Ruadhrac from Hrothrekr. In any case, it is the basis for the Rourkes, always associated with Breifne. Groarke was a sept of the Southern Uí Néill, seated in W Meath. GPN, SGG & IF.|
|Mag Ruairc||Groarke: líon beag: Maigh Eo & rl. Bhí siad i gceannas ar Chineál Ende, in aice le h-Uisneach, Iar-Mhí. Mhaígh siad sinsearacht ó Niall Naoi-ghiallach.|
Parishes where Groark and a second surname are found together
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