Blog Archives

State of the Project: January 2018

Goals The purpose of the McFadden DNA Project is to use Y-DNA testing to learn more about the origins and history of the Gaelic surname Mac Pháidín and the various modern surnames derived from it (McFadden, Macfadyen, McFadzen, etc.). Y-DNA

Posted in DNA Testing

Why aren’t all McFaddens related?

One of the first conclusions our DNA study has reached is that there are numerous unrelated Mac Pháidín lineages. Of the 33 Mc- results that have been processed so far, there are a minimum of 10 completely separate lines. Given

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Posted in American McFaddens, DNA Testing, Donegal McFaddens, MacFadyens of Mull, Paddens of Mayo

The “Levels” of Y-DNA Testing

When people express an interest in joining this project, I usually recommend they buy a 67-marker STR test. After making their initial purchase, some people are then dismayed to find recommendations for further (more expensive) testing, such as the Big

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Posted in DNA Testing

State of the Project: October 2016

It’s been a while since my last update, so I thought it would be a good idea to give an overview of the DNA project and where we stand. Goals The purpose of the McFadden DNA Project is to use

Posted in DNA Testing

The Big Y: What is it and why is it important?

The Big Y I have updated the project “Wish List” and recommended that every member who is in the R-M269 haplogroup and able to do so order the “Big Y” from FTDNA. This post is a brief explanation of what

Posted in DNA Testing

Fifty Shades of McFaddens

With participation in the project slowly but surely increasing, I thought a brief update would be in order. No. of Y-DNA Results submitted by surname McFadden: 18 (+1 kit pending) McFaddan: 3 McFaddin: 1 McFadyen: 1 McFadzen: 1 Patterson: 7

Posted in DNA Testing

Finding a place for the McFaddens in the M222 tree

In my previous post, I mentioned the DNA marker known as M222 and its affiliation with the ancient Irish king Niall of the Nine Hostages.  If you don’t know what I’m talking about, you might want to briefly read the

Posted in DNA Testing, Donegal McFaddens

A Donegal McFadden modal?

First, some basics: M222 is a DNA marker unique to one man who lived a couple thousand years ago and his direct male descendants.  All men in this group are referred to as M222+.  One of those descendants is believed

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Posted in DNA Testing, Donegal McFaddens

Explaining the comparison process

I’ve put together a relatively simple demo of the Y-DNA comparison process and how we gain information from test results.  It can be accessed by hovering your mouse over the “DNA Testing Info” tab up top, or by going here: http://themcfaddenproject.com/dna-testing-info/explaining-the-comparison-process/.

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Posted in DNA Testing