Kavanagh is one of Ireland's more unusual surnames: unlike most Irish names, it carries no Ó or Mac prefix, because Caomhánach began not as a patronymic but as a byname — associated with St. Caomhán — given to Domhnall, son of Diarmait Mac Murchada, the King of Leinster whose appeal to Anglo-Norman lords in 1169 set the invasion of Ireland in motion. From that royal branch grew the Kavanagh (or Mac Caomhánaigh) dynasty, which held the kingship of Leinster in name and practice for centuries afterward, centered on County Carlow and County Wexford along the Barrow Valley.
Even as Norman and later English power expanded across Leinster, the Kavanaghs kept a foothold in the border country of Carlow and Wexford, where the terrain favored Gaelic resistance. Leaders such as Art Mac Murchadha Caomhánach fought English forces into the late fourteenth century, and the family's motto, Síol Diarmada — Seed of Diarmait — still asserts that royal descent directly. The Tudor policy of surrender and regrant and the Cromwellian confiscations of the 1650s eventually ended the dynasty's political power, but the name endured across the southeast.
The Great Famine pushed many Kavanagh families out of Carlow and Wexford toward the United States, Britain, Canada and Australia, and the name remains common in both counties and throughout the Irish diaspora today. This collection carries that royal Leinster story into keepsakes for the home — woven blankets, garden flags, mugs, coasters, ornaments and apparel featuring the Kavanagh crest. Read the fuller account of the family's descent from the kings of Leinster in this Kavanagh surname history.