Rúaidhrí de Valera (1916–1978), Irish archaeologist who worked on the megalithic tombs of Ireland
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Ruaidhri Higgins (born 1984), midfielder playing with Derry City F.C. in the League of Ireland
He and his partner, Mary Sharp, now live in Hampton-in-Arden with their two children: Callum and Ruaidhri Bennett.
The contemporary Annals of Ulster list him as Ua Dubda, namely, Eogan Blindeye, son of Ruaidhri Ua Dubda.
Woolf has argued that Ruaidhri was the Mac Somhairle who died in this battle, fighting the English at Ballyshannon.
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Ruaidhri's heartland appears to have lain initially in Kintyre, as he bore the title "Lord of Kintyre" (dominus de Kyntire).