Research Topics

Irish Migration
UPDATED 2020 Humans first arrived in Ireland around 10,000 years ago after the last ice age. It is believed that their... More
Analysis of Sullivan Surname
UPDATED APRIL 2020. Approximately 66% of the present population of the Island of Ireland are descendants of ‘Native... More

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Putting a timeframe to BigY SNP mutations

McGinnis Y-DNA Case StudyIn June 2018 Irish Origenes was commissioned to do a Y-DNA Case Study report for a Mr David McGinnis from Oregon in the USA.

Pinpointing Your MacDonald Origin! 4x DNA Case Studies!

UPDATED August 2020, NEW (5th) McDonald Case Study Added!

Pinpointing your Irish Mitochondrial Eve!

The challenge with modern commercial ancestral mtDNA testing is linking a specific maternal Eve with a precise geographical location.

Identifying Ancestral locations from your Autosomal DNA Results

And linking them with ancestral surnames!

DUBLINERS

Where did your Dublin City Ancestors come from?

First Ever Plantation Surnames of Ireland Map

The Plantation Surnames of Ireland (Scots-Irish) Map is now available to purchase (click here).

The Origin of the Irish and Scottish Gaels as revealed by their DNA

Celts and Romans fightingPART II: The origin of the Gaels has remained a mystery until the advent of modern commercial ancestral DNA testing.

The DNA of the Irish Gael

PART I. The hundreds of DNA Case Studies performed at Irish Origenes have revealed some fascinating findings with regards the ancestry of the Irish male.

Gortlassabrien and the Thomond O'Briens

(Updated December 2021) The surname ‘O'Brien’ literally means 'descendant of Brian,' the most notable ‘Brian’ in Irish history being the High King of Ireland ‘Brian Boru.’ Brian Bor

When did R-M222 first appear in Inishowen?

By examining the genetic distance between selected members of the R-M222 family and comparing it to the timetable developed by Scottish Origenes one can determine when the R-M222 Adam lived.

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English Origenes

Scottish Origenes