~6000 BCE

Atlantic Modal Haplogroup (AMH) (and Western, WAMH)


to ~2000 BCE

R1b1a2-M269 is estimated to have formed 4,000 to 8,000 years



ago in southwest Asia and to have spread into Europe from there



[includes R1b-P312 aka R1b1a2a1a2 (pre-dates M222 mutation)]

5500-3500 BCE

Migration of Y-R1b in the Late Neolithic and Early Bronze Age


[and] “Ancient DNA and the rewriting of human history”


[and] “Ancient DNA sheds light on Irish origins”


[and] “R1b and the People of Europe: An Ancient DNA Update”


3800 BCE

Neolithic sites in Ireland: Poulnabrone Dolmen (County Clare)


to 3000 BCE

(3800 BCE), Carrowmore Megalithic Cemetery (County Sligo);

Bru Na Boinne (Boyne Valley): Ancient Temple / Passage Grave


at Newgrange (3200 BCE) (500 years before the Great Pyramids

and more than 1,000 years before Stonehenge), the Knowth sites,

and Dowth; also Hill of Tara, and Hill of Slane (County Meath).

3000 BCE

Stonehenge: prehistoric monument, ring of standing stones and


to 2000 BCE

earthworks, on the Salisbury Plain, Wiltshire, England, U.K.

3500-2000 BCE

R1b-L21 is often referred to as a “Celtic marker”, age estimated



close to that of P312, approx.5500-4000 ybp or 3500-2000 BCE.

L21 has several well-established subgroups, including M222.

[also known as] The Atlantic Celtic branch (L21) [eupedia]


R1b-L21 aka R1b1a1a2a1a2c on the old isogg tree


~3200-600 BCE

Bronze Age in Europe (bronze, primarily copper, with ~12% tin)


~2300 BCE

R-M222 (R1b-M222) formed 4300 ybp [YFull]



The R-M222 branch of the Y-DNA tree is defined by a single


nucleotide polymorphism (SNP) called M222. This diagnostic

marker is associated with many individuals whose roots lie in

the counties of northwest Ireland, Ulster and lowland Scotland.

R1b-M222 aka R1b1a1a2a1a2c1a1a1a1 on the old isogg tree


R1b-M222: (North West) NW Irish and Irish Modal Haplotype


R1b-M222 in Northwest Ireland, by Alan Milliken


“The history of M222, A story in six parts”, by Iain Kennedy


~2000 BCE

Ancient DNA: Neolithic and Bronze Age migration to Ireland . . .



McAninch Y-DNA Status Report 2016: Timeline: 2 of 5: ~6000 BCE, R1b-M222, ~2000 BCE

McAninch Family History NL v.XXIV n.1 / April 2016 / Copyright Frank McAninch / pg.2016-11

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