The name McCanny arose in two distinct Irish Septs, the O'Cannys and the MacCannys. The O'Cannys are descended from the powerful O Caithniadh sept, whereas the MacCannys are descended from the Mac Annaidh (later Mac Cannaidh) Sept.
The surname McCanny was first found in Thomond (Irish: Tuadh Mumhan), what is now County Clare, and in Erris, now County Mayo, where the O Caithniadh family of the Ui Fiachrach Muaidhe were chiefs until the 13th century.
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Notable amongst the family name at this time was the MacCanny family of the Castle of Drumbanny, near Limerick. Later the family were of Ballycasey (now Firgrove) in the... Another 28 words (2 lines of text) are included under the topic Early McCanny Notables in all our PDF Extended History products and printed products wherever possible.