DNA of the Three Collas: Reference Group Detail

Reference Group Detail

Note: GD is genetic distance from the Clan Colla modal.

Number of Participants	Surname	Mean GD	Low GD	High GD	FTDNA Project	Genealogy	Comments
164	Descendants of Niall of the Nine Hostages, also called R-L222 or Northwest Irish	26	18	34	R-L222 DNA project Type R1b1b2a1b5b	Smurfit article summary	In late 2005 researchers from the Smurfit Institute of Genetics at Trinity College Dublin suggested that this DNA was associated with descendants of Niall of the Nine Hostages.
26	Descendants of Brian Boru, also called R-L226 or Irish Type III	22	14	32	R-L226 DNA Project Type R1b1b2a1b5	Irish Type III	This group originated in the counties of Clare, Tipperary, and Limerick around the time of King Brian Boru, who was born in 926 and died in 1014.
43	Airghialla 2, also called Oriel Subgroup P1	22	14	27	Breifne Clans DNA project, O'Donoghue DNA project	Breifne Clans Report 5, Subgroup P1, posted on Donohoe Clan	Oriel group identified by Joseph Donohoe. Includes 19 low matching Colla names (Maguire, McMahon, McAuley, Donohoe) and 24 low matching non-Colla names (Byrne, Garvey, Corrigan, Plunkett, McCown, et al).
5	McMahon - 2	24	20	29	McMahon DNA project	Jim McMahon, McMahon DNA Study, McMahon	There are multiple McMahon septs, including one from County Clare, descended from Brian Boru.
8	Carroll - 2	14	11	17	Carroll DNA project	Jim Carroll, Carroll	This low matching group is said to belong to the Ely Carrolls of Offaly, including John Carroll of Carrollton.
8	Carroll - 3	24	20	29	Carroll DNA project	Jim Carroll, Carroll	This group includes low matching Carrolls other than Ely Carrolls of Offaly.
8	McDonald - Irish	27	24	31	McDonald DNA project	Clan Donald	These low matching participants are descendants of Niall of the Nine Hostages (Clan Donald R1b Green).
36	McDonald - Scots	20	15	25	McDonald DNA project	Clan Donald	These low matching participants include only Scots origin, descendants of Cairbre Riada, king of Irish Dalriada who was descended from Conor II High King of Ireland (Clan Donald R1b Red, Pink, Brown, and Maroon).
22	Kelly - 2	22	19	32	Kelly DNA project	Kelly	This name has multiple origins. It is the second most common name in Ireland (after Murphy).
8	Duffy - 2	23	13	26	Duffy DNA project	Duffy	There are several different septs of Duffy.
24	Murphy	20	14	29	Murphy DNA project	Murphy	Murphy is the commonest name in Ireland.
13	Sullivan	20	14	26	Sullivan DNA project	Sullivan	Sullivan is a common name in Ireland.
365	All	23	11	34			Source Data (see Reference tab)