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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Case Studies

O'Brien Y-DNA Case Study Updated December 2021

There are an estimated 16 distinct Irish Clans that used the O'Brien Surname. Find out how your DNA can reveal which O'Brien Clan you may be related to and whether you have a Royal Irish connection!


English Origenes

Scottish Origenes