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History of the O'Haren Clan 

O’Haren Clan 

Clann Ahearn originates as a branch of the Dalcassian group of Thomond.  The eponymous ancestor Echtigern was an older brother of the Ard Ri Brian Boru who was killed at the battle of Clontarf in 23 April 2014 AD on the paschal feast of Good Friday.  Echtigern and his brother Doncuan were both killed in 948 AD on the orders of the Ard Ri Congalach Choghba of the Southern Ui Neill ruling at Tara.

Clonmacnois Celtic Cross

Branches of Clan Haren

Several branches of the sept have been identified in early Irish records.

In the Book of Munster, An Leabhar Muimhneach translated in 1703 by Rev. Eugene O'Keefe, it is related that Eichthigheirn mac Cennetig had three sons, Flann who became the ancestor of Clann McCraith, Conghal who became the ancestor of McConnell  (now  rare), and Cionnath who became the ancestor of O'Quirke.  The blazons for McGrath and O'Quirke are displayed below.

DNA  Test - UPDATE 2015

Y-DNA results for Michael O'Hearn of California USA are haplogroup R1b, SNPs M269+ &  L226+ and therefore Irish Type III, the southwest Ireland type which also includes the male line O'Brien descendants of Ard Ri Brian Boru. 

Place names Ballyharran aka Ballaharran (Ballyharron) near Crossabeg in County Wexford is in Irish Bealach-Ui-hEaghrain [-harran], O'Harran's or Harran's road.  This however belongs to a different sept.

P.W. Joyce "Irish Names of Places" (Dublin 1913)

 More recently, the  American baseball professional Dan Haren.


A Y-DNA match was found with a Hanrahan descendant now living in Australia, going back to North County Clare.  There is also records of O'Briens in the same area of Munster, near the traditional location of the O'Hanrahans. 

More recently, a deep clade origin match was found with Ahern of County Cork with time to MRCA at about 1350 AD.  Also, a match with Ahearn at about 1650 AD.


Another paternally related Irish family of Pavey/Peavey etc. descends from Joseph Pavey, a victualler or restauranteur who was one of the first settlers in the Georgia colony arriving there in 1736. He was apparently a son or otherwise related to John Pavy of Maryland colony, and married Jane Dyall a daughter of John Dyall in Delaware before settling in Georgia. John Pavy was in service on the estate of Robert Smith, with the Talbot Company in Talbot County, Maryland colony in 1666. Male line descendants of John Peach (1638-1692) of Symondsbury, Bridgport, Dorset, England are apparently also of this type.  

Could their name derive from the Pavee folk of Irish and Scottish Travellers?

O'Brien of Thomond blazon

        O'Hearn blazon

McGrath blazon

O'Quirk blazon