Website by John Dennis McLaughlin on the
R-S588 > S7814 and downstream branches including A694 > PF2028 > CTS12533 Clann Domnaill (McLaughlin/O'Donnelly)
https://web.archive.org/web/20190711044657/http://clanmaclochlainn.com/
The website's McLaughlin DNA information is dated (information from around 2012) but the other aspects including the McLaughlin history is very relevant.

 

R-S588 Haplotree Clade Diagram - April 2022 by Dwayne O'Neill
https://docs.google.com/document/d/1Boaob2ScE66CYi5NoJLeuDu1UDpF7K3q/edit?usp=sharing&ouid=102851008698453825178&rtpof=true&sd=true

Paper by Timothy McQuaid on common questions about the FT DNA block tree such as:

●     An Explanation of FTDNA BIGY Block Tree Terminology

●     The Time to Most Recent Common Ancestor (TMRCA) Calculation

●     The importance of a well defined Family Tree

●     A deeper dive into the statistics behind YDNA constants

●     The Rule of Three; How to expand and refine your Block Tree

https://drive.google.com/file/d/1YTHlV0lzDVePk-73YUZIlYDwe4bQ6Bl0/view?usp=sharing

Youtube video by Casimir Roman FT DNA titled "How to Interpret Y-DNA Results, A Walk Through the Big Y" at Rootstech 2022
Big Y results interpretation starts at 9 minute mark:
https://www.youtube.com/watch?v=ra1cjGgvhRw&t=1183s

ONeill’s “Own Country” and its Families by Eamon O Doibhlin
Historical information on the Cenél nEógain Quinn, Hagan, Donnelly and Devlin families among others:
https://drive.google.com/file/d/1KYd5vKGB8iE7NePbKsHyAAxeZNyGnHEr/view?usp=sharing

Gleanings from Ulster History Extract - Séamus Ó Ceallaigh - Ballinascreen Historical Society, 1994
Extract from book with Title page, Contents & Introduction of the Cenél nEógain
https://drive.google.com/file/d/1eQ_Bnmoejk1dI7QN43AEy9vFAvlX7zW8/view?usp=sharing

Presentation by Timothy McQuaid on the 
MacCathmhaoil Family Clade (R-S588> S603> A9884 Cenél Fearadhaigh)
https://drive.google.com/file/d/1FOPJNn-v_WSZGywLiw6KU6KZ6VvTK0YD/view?usp=sharing

The Mac Cathmhaoil of Cenél Fearadhaigh Wikiwand article
https://www.wikiwand.com/en/McCaul

Links to information on Cenél Fearadhaigh by Timothy McQuaid
https://docs.google.com/document/d/1Px2IBKAn7RfLVqx2C6fBw6IWn_924xGAXC89Vep9mng/edit?usp=sharing

McNallys Of Cenel Moan Book 1: 1084 AD to 1850 AD Second Edition By Niall MacConallaidh “Michael Anthony McNally”
Details on the Cenel Moan with many references general to the Cenél nEógain
https://drive.google.com/file/d/1bmIbyEb5ezrM16S_VPVDHpFmyDFtFsmm/view?usp=sharing
This is a large pdf file that requires to be downloaded in order to view it. It will take several minutes to download.

Cenel Moain Jaski, McFh and SNP Timeline
https://docs.google.com/spreadsheets/d/1NcOUKhwOWGiASyfkAeztRKHVmO0hZ1ZN/edit?usp=sharing&ouid=102851008698453825178&rtpof=true&sd=true
 
Website by John Dennis McLaughlin on the
R-S588 > S7814 and downstream branches including A694 > PF2028 > CTS12533 Clann Domnaill (McLaughlin/O'Donnelly)
https://web.archive.org/web/20190711044657/http://clanmaclochlainn.com/
The website's McLaughlin DNA information is dated (information from around 2012) but the other aspects including the McLaughlin history is very relevant.

Papers by Ed Kane & Dwayne O'Neill 

"Haplogroup S595 - DNA links to the O'Cathains of Ulster" May 2021 by Ed Kane & Dwayne O'Neill
https://drive.google.com/file/d/1h14WZnydtEc55MUVNs_-mZ-z2zyP3Df_/view?usp=sharing

"Use of SNPs and STRs to Clarify Haplogroup S595 Lineages and Historical Relationships" by Ed Kane & Dwayne O'Neill
https://drive.google.com/file/d/11HMstnmeCOEalY8_4L3msdPvFXoiZqyC/view?usp=sharing

"Aine O’Cathain and the Dowry Warriors" Jan 2022 by Ed Kane & Dwayne O'Neill 
https://drive.google.com/file/d/1RhTdac0wa2IthTxnQkOqqmnhiCyUXguV/view?usp=sharing

"Clann Conchobair Merging Genealogies and DNA"

https://docs.google.com/spreadsheets/d/1eqdh3DgMo8zFJaAvOCMienhp5nAMNnIr/edit?usp=sharing&ouid=102851008698453825178&rtpof=true&sd=true

S588 > S603 >FGC57760 Who is Sire: Conchobar son of Fergal (Fergus), Fergal or Mael Duin?, Revision5 December 2022:
https://drive.google.com/file/d/1boS7bx_ohz2ttxUpGor7m2Za-9-Zs0YX/view?usp=sharing

“Use of SNPs and Signature STRs in Combination to Determine Lineages and Identify Historical Relationships as Applied to Haplogroup BY19782” by Ed Kane https://drive.google.com/file/d/1zOya7bM_Hy-RBTzacXdMZH39hmJufh0D/view?usp=sharing

R-S588 > A5388 and downstream branches
http://dna.ancestraldata.com/groups/A5388/

Haplogroup R-S588 R-A5388 R-A5387 R-BY20536 – the Wilson Haplogroup October 2022
https://docs.google.com/document/d/1TH_yQVK-UYaK-88vpy-iP5UUyKlcnJhy/edit?usp=sharing&ouid=102851008698453825178&rtpof=true&sd=true


R-S588 > FT165097 Clann Fergusa
https://docs.google.com/spreadsheets/d/1Ox40CezzUzUZDox0acU-NAfIqJ7w7y4H/edit?usp=sharing&ouid=102851008698453825178&rtpof=true&sd=true