Mine goes all the way back to the very beginning of the colonial era in the late 1400s…one of my umpteenth great aunts was supposedly Pocahontas’ sisters.
It ends there but I’m assuming that’s because Natives didn’t keep a paper trail of documents pre-Columbus.
Just got my results yesterday. Mostly went as expected, until I got to the end.
Background: about 3/4 of my family can be traced back to Colonial times, mostly through VA and NC. The last 1/4 were immigrants from Poland, Norway, and Denmark during the 1800s. I already knew about that. So, my ancestry was pretty much exactly how I expected, until the last parts - particularly the Nigerian.
The Nigerian and Indigenous are both from my dad's side. I heard tale of indigenous, but from my mom's side, so the side was different than I expected, but not really surprising other than potential confirmation I have the tiniest bit in me. We all know how often Americans are told we have Indigenous ancestors and we don't. The Nigerian was surprising. My first cousin and cousins of my dad also came up with it. Based on that, I know it traces to my paternal grandfather's side. My paternal grandfather's father's tree is very well established, so unlikely from that side; however, his mom's side completely dead-ends after third great-grandparents, and some of them don't have much more than names. My guess is that somewhere on that side there is a pretty unfortunate history considering the likelihood of what happened.
I looked it up and apparently its not unheard of for white Americans from the south with colonial roots to come up with some African DNA, but it did surprise me.
For background pretty much all of my moms side has been in the appalachias/piedmont of North Carolina for the past few hundred years or so. My dads side is majority Catholic from Northern Ireland, specifically ballymena and Belfast that came here in the early to mid 1900s.
AncestryDNA is probably one of my favorite things I've done, it's pretty cool how they can get a lot of this info from spitting in a tiny vial.
It was also interesting to do this because I had already known of a small bit of family history and the historical immigrants to the region.
A lot of people like to post photos of themselves alongside this, although I don't feel quite comfortable with that.
If you have deep roots in the American South or the Appalachian mountains and you open up AncestryDNA, 23andMe, or MyHeritage, you are likely in for a shock.
One of the most common observations among Appalachian DNA testers is: "Why do I have so many matches?"
While the average test-taker might have a few thousand total matches, people with deep Southern or Appalachian heritage frequently log 50,000 to well over 100,000 matches, with pages upon pages of "4th–6th cousins" who look like complete strangers.
There is a perfect storm of history, geography, and biology that explains exactly why this happens. Let's break down the main reasons your genetic network is so massive.
When people migrated out of places like Pennsylvania, Virginia, and North Carolina into the deep South and Appalachia, they didn't travel as isolated, random individuals. They traveled in highly organized family clans, church congregations, and whole neighborhoods.
Historians call this chain migration, and it acted like a genetic funnel.
Because mountains, rivers, and specific trails (like the Wilderness Road or the Great Valley Road) dictated the routes, the exact same pool of families moved together over multiple generations:
The DNA Effect: Because the same pool of families stayed in close geographic proximity across multiple states and a hundred years of moving, their DNA never truly diversified. You aren't just matching people whose ancestors stayed in one county; you are matching thousands of descendants of the people who moved along that entire migration pipeline.
In genetics, endogamy occurs when a group of people marries within the same local population over many generations. In Appalachia and parts of the rural South, this wasn't necessarily a matter of choice; it was driven by geography.
When your ancestors settled in isolated mountain valleys, river basins, or small farming communities in the 1700s and 1800s, their marital options were limited to whoever lived within walking or horseback distance.
Because of this, families intermarried repeatedly. The Halls married the Greens, whose kids married the Bakers, whose grandkids married back into the Halls. Over 250 years, this creates pedigree collapse. Instead of having distinct branches on your family tree, the same ancestral couples appear multiple times on different branches.
This does not equate to "inbreeding" or close-cousin marriage.
Instead, it means that many families became interconnected through dozens or even hundreds of relationships over time.
The DNA Effect: When populations practice endogamy, small segments of DNA get passed down and preserved at a much higher rate than usual. You and a match might share a 15 cM segment of DNA, making you look like a 4th cousin on paper. In reality, you might actually be 7th cousins through three different lines simultaneously. The testing algorithms see that concentrated pool of shared DNA and flag them as a closer relative than they actually are.
This is where the biology gets really fascinating. Usually, every time a child is born, their parents' DNA is shuffled through a process called recombination. Over generations, this shuffling normally breaks down distant ancestral DNA into pieces so small that they disappear entirely.
But in the Southern and Appalachian gene pool, something different tends to happen: Segment Persistence.
Because the founding population was relatively small and highly interconnected, certain specific segments of DNA became incredibly stable across the entire region.
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The DNA Effect: You carry "sticky" segments of DNA that have survived completely intact from ancestors who lived in the early 1700s—or even back in Europe. When a DNA platform scans your profile, it spots these identical segments in other testers. The algorithm assumes you share a recent ancestor (like a 4th cousin), when in reality, you both just inherited a highly resilient, ancient piece of DNA that has been bouncing around the region's gene pool for three centuries.
This persistence completely breaks many ethnicity calculators. DNA companies determine your ethnicity by comparing your DNA to modern reference panels (people living in Europe today whose families have been in the same spot for generations).
But because your Appalachian or Southern lines preserved those ancient segments, they no longer match the modern population of the exact region your ancestors actually left.
Instead, the algorithm looks at that old, un-shuffled chunk of DNA and mislabels it—often throwing your percentage into a completely different country (like assigning you heavy English or Scandinavian percentages) simply because that's where that specific, ancient genetic signature happens to show up in modern reference panels today.
In short: your ethnicity pie chart is often wrong because your DNA is a snapshot of 18th-century Europe, but the algorithm is comparing you to the 21st century.
Another thing to consider: sheer mathematics. Early pioneer families who moved into the backcountry of Virginia, North Carolina, Kentucky, and Tennessee during the 18th and 19th centuries had exceptionally large families.
It was entirely common for a single pioneer couple to have 10, 12, or even 14 children who survived to adulthood.
When you multiply those numbers across 7 to 10 generations from the mid-1700s down to today, a single colonial couple can easily have hundreds of thousands of living descendants today. If your ancestors were among these early, highly prolific lineages, you are related to an enormous percentage of the people who trace their roots to those same counties.
While these patterns can make research more challenging, they can also be incredibly helpful.
The more connections that exist between families, the more opportunities we have to:
A DNA match that seems unrelated to your research today may become the key to solving a problem years from now.
If you have Appalachian roots and your DNA results seem unusually interconnected, you're not alone.
In many cases, the explanation isn't an error in the test.
It's history. 🌄
Hi Genealogists!
I recently built Whatiiif.com, a free, open source tool for sharing links to specific regions of digitized documents. It detects IIIF manifests and loads them into a viewer, then you highlight your desired region, and the website generates a permanent URL that loads as a comparison view with all of the context intact. The URLs are long because that's where all the data is stored, but that's what hyperlinks are for.
Just thought you guys could get some use out of this. Questions and feedback are welcome!
-Nate
I recently received my AncestryDNA results and found that my ancestry is primarily from England (61%), with significant Scottish/Northern Irish (20%), Welsh (12%), and smaller Irish (7%) roots.
My family has more recent roots in southern Mississippi (Jasper and Jones Counties), and I'm interested in learning more about both my ancestral origins in the British Isles and the migration of these groups into America.
I've come across the following books and am wondering if anyone here has read them and would recommend them:
For those familiar with British, Scotish, Welsh, Irish, or Southern U.S. history, are these good places to start?
Additionally, are there any other books you'd recommend?
Thanks!