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Discover your Irish Ancestry

Discover more about your Irish ancestors through our unique resources. Explore databases, how-to guides, and expert webinars designed to take any level of research to the next step. Learn essential concepts and techniques for Irish research, and find out which manuscripts, collections, and sources our genealogists use to crack the toughest research cases.

Guests can access a limited suite of databases, educational content, family charts and more. To receive unlimited access to more than a billion names and other benefits, become a member of NEHGS.

Search Our Databases

Find your Irish ancestors today!

Search unique collections such as Irish Immigrant Advertisements, 1831-1920, and the NEHGS-exclusive database The Annals of Beara, The Session Book of Aghadowey,1702-1725, plus many more!

Guide to Irish Genealogy

Key resources and records

This subject guide provides you with a list of key resources, records, and repositories to assist in your Irish research.

Search Catholic Parish Records

Records from 1789 onward

Search Boston’s oldest Catholic parish records – including those from Holy Cross Cathedral and Holy Trinity.

Get New Data Alerts

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Get alerted in real time when we add new data or database collections to our website!

Webinar: NEHGS Irish Resources

A free hour of expertise from NEHGS

This free, hour-long webinar will inform you about the Irish resources that await you at NEHGS—both on-site and online, plus, gain a basic understanding of the concepts essential to Irish research.

Solve Irish Research Problems

Overcome Irish brick walls

This Portable Genealogist will identify some common brick walls that arise in Irish research and help you develop research strategies to overcome them.

Handbook for Irish Research

Overcome an Irish brick wall

In this new publication, Irish genealogy experts Marie E. Daly and Judith Lucey offer tips for navigating the sometimes challenging course of finding Irish ancestors.

Searching for Irish Roots

Articles about the Irish Experience

These articles from American Ancestors magazine offer new and fascinating insights into Irish and Irish American genealogy.

Books About Irish Ancestry

Find original works and guides

Browse our bookstore to discover numerous NEHGS-published works about Irish genealogy and history.