The Gaelic surname Mac Ruaidhrí means "son of "Ruaidhrí"". The personal name "Ruaidhrí" is composed of two elements: the first is "ruadh", meaning "red"; the second is "rí", meaning "king".
Surnames which are in some cases derived from "Mac Ruaidhrí" include: 'Creery, Creary", "McCreary", "McCrery", "McCrorey", "McCrorie", "McCrory", "McGroary", "McGrory", "McRorie", "McRory", "McRury", "Roger", "Rogers", "Rorie", "Rorison", and "Rory".
A variant of "Mac Ruaidhrí" is "Mac Ruidhrí". Surnames which are in some cases derived from "Mac Ruidhrí" include: "Creary", "McCrary", "McCreary", "McCreery", and "McCrery".
One particular family that has borne the surname "Mac Ruaidhrí" is Clann Ruaidhrí. Members of this Scottish family settled in Ulster as gallowglass commanders in the Middle Ages, and are last recorded acting as such in the fourteenth century. A family bearing forms of the name produced herenachs for the parish of Ballynascreen.
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 Surname listThis page lists people with the surname Mac Ruaidhri. 