Show ContentsO'Canny History, Family Crest & Coats of Arms

The name O'Canny arose in two distinct Irish Septs, the O'Cannys and the MacCannys. The O'Cannys are descended from the powerful Ó Caithniadh sept, whereas the MacCannys are descended from the Mac Annaidh (later Mac Cannaidh) Sept. 1

Early Origins of the O'Canny family

The surname O'Canny 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.

Early History of the O'Canny family

This web page shows only a small excerpt of our O'Canny research. The years 1609 and 1850 are included under the topic Early O'Canny History in all our PDF Extended History products and printed products wherever possible.

O'Canny Spelling Variations

Spelling variations of this family name include: Canny, O'Canny, MacCanny and others.

Early Notables of the O'Canny family

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 O'Canny Notables in all our PDF Extended History products and printed products wherever possible.

Migration of the O'Canny family

Some of the first settlers of this family name or some of its variants were: Richard Canny, who settled in Virginia in 1638; Judith Canny, who immigrated to Maryland in 1673; Elizabeth Canny, who settled in Maryland in 1680; John Canny, who landed in Philadelphia in 1801.



  1. MacLysaght, Edward, Supplement to Irish Families. Baltimore: Genealogical Book Company, 1964. Print.


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