Welcome to the Scrapbook pages for the McCarthy Surname Study, which analyses the Y-DNA of men named McCarthy or a spelling variant or agnomen associated with this name. The files made available below support the main Study website at: https://www.familytreedna.com/groups/mccarthy-surname-study/about

Y-DNA Phylogenetic Trees

Haplogroup E1b1b1
SNP E-M35.1 / L117 2016 May 27
Haplogroup of R-U152
SNP R-U152 2018 May 31
R-L21 Group A and Irish Type II SNP R-A541 (Irish Type II) 2019 Feb 13
R-L21 Group B and the R-Z16526 Project SNP R-ZS4606 2019 Jan 24
R-L21 Group C SNP R-M222 (Irish Type I) 2018 Dec 14
R-L21 Group D SNP R-L513 2019 Jan 22
R-L21 Group E SNP R-Z255 2019 Jan 03
R-L21 Group F SNP R-Z253 (including Irish Type III) 2018 Aug 14
R-L21 Group G SNP R-CTS3386 2018 Dec 11
R-L21 Group J SNP R-S1051 2018 Aug 22
R-L21 Groups K and L SNPs R-DF5 and R-Z16270 2019 Jan 10

Project Charts and Diagrams

Figure 2 Development of principal McCarthy Septs 2018 Nov 17
Figure 3 Breakdown of McCarthys by haplogroup 2018 Sep 05
Figure 4 McCarthy Ancestral Haplotypes 2017 Jul 04
Figure 5 McCarthy Sept names and Agnomina in use in the past few centuries 2019 Jan 06

Pedigree Library

This is the new home for our members’ pedigrees, formally located on our WorldFamilies site (which was closed down by the site operators in May 2018).

McCarthy Surname Study Pedigree Library 2018 Aug 13

Scholarly Articles, Presentations etc.

Possible A541 haplogroup phylogenetic alignments with genealogies
of descent from Oilioll Olum
by N.D.McCarthy
A comparison of Irish Type II (McCarthy R-L21 Group A)
phylogeny with ancient genealogical texts pertaining
to first millennium ancestries.
2017 Oct 27
The McCarthy family tree by R.C.McCarthy The story of the MacCarthys of Ardcanaght. 2012
MacCarthy Gathering Posters
Posters for the MacCarthy Gathering to celebrate
‘The Homecoming of the Daniel MacCarthy Glas Archive’,
Dunmanway, Co. Cork, 26-28 May 2017.
2017 May 31
McCarthy Surname Study Slide Show
Progress Report slide show for the MacCarthy Gathering,
Dunmanway, Co. Cork, 26-28 May 2017.
2017 May 28
Charles Mac Carthy in the Archives of Bilbao by Oisín Breatnach
Sources in the Archives of Bilbao giving a 17th/18th
family history spanning four generations, with
suspected MacCarthy Reagh origins (study ongoing).
2017 Jul
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