Some yDNA specific resources:


The ultimate yDNA test – unless you do full genome testing.
The test that keeps on giving.
As this is a discovery test, as more people test, the more tree revisions, and refinement, repositioning you on the tree of mankind closer and closer to present day.

DNAExplained has a number of useful blog posts but in particular try this one

Y DNA: Step-by-Step Big Y Analysis


Haplogroup predictor from Ancestry raw DNA files

Yes, yDNA prediction from your Ancestry atDNA test.

Haplogroup trees


Public yDNA Haplotree

SNPTracker – follow the path of a terminal SNP through time and era (SNP must be in FTDNA Haplotree


For an ever growing, easily navigable, searchable for specific SNPs, tree of all haplogroups – with age estimates of the branches.
If you have tested Next Generation Sequencing such as BigY – do think of adding yet more value to your investment by having the results analyzed at YFull. As more people test and get added the tree is continually refined, as is YOUR terminal SNP with no further effort on your part.
You are contributing to the fascinating and fast growing science and knowledge of mankind.

Branches of specific interest to me:
R-S7361 for my Henderson

I-Y32666 for the Fairbairn cluster(s)
I-Z60 – subbranch I-Y22033 for the matching I1 Runciman lineages
R-L159.2 for the Richardsons of Morebattle, Roxburghshire

Alex Williamson’s “The Big Tree

“This is a draft phylogenetic tree for the R-P312 Y-DNA haplogroup. The data for this tree come from NGS sources including the BigY test at FamilyTreeDNA, the various tests at FullGenomes as well as the 1000 Genomes project. These are discovery tests. They sequence the DNA to reveal novel SNPs and INDELs which mark new branches of the tree. If you wish to be included in this project, you must complete one of these NGS tests.”

Branches of specific interest to me:
R-S7361 for my Henderson
R-ZZ7 for the Richardsons of Morebattle


My own haplogroup trees (Haplo I, Haplo R), for those yDNA testees of particular interest within assorted surnames projects I administer at FamilyTreeDNA (definitely lag behind the above, there’s only so many hours in a day!)

ISOGG’s yDNA trees:

NB Uses long form names, eg R1b1a1a2a1a2c1a6 is L1335.
Has historical views of the tree available.
Haplogroup R
Haplogroup I

Haplogroup R resources

Age Analysis – primarily R-U106, R-P312 coming: Iain McDonald, Honorary Research Fellow in Genenealogy, Paleography and Heraldry at the Centre for Lifelong Learning at the University of Strathclyde.