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The Cohagan Surname Project


If the genealogy for the name Cohagan is to be traced, it is imperative that DNA projects be advanced so that relationships can be established. Many name changes have occurred over time with emigration. It is believed that the derivation for Cohagan came from Mac Geoghegan in Ireland. Relatives have to be united by the DNA Project. Welcome to the Cohagan project, the first of it's kind in the World! Dr. Don Cohagan



Other surnames in Project

Cohagan, Cohagen, Geoghegan, Mac Geoghegan

Join the Cohagan surname project

If you want to join the Cohagan project please order your DNA test here.

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analysis from EUR 179