May 5, 2023

Most Common Surnames in Ireland in 1901

Barry Griffin must have spent many, many hours creating an online map of surnames with all data derived from the 1901 census. The information consists of thousands of Irish surnames. The result is sure to be a worthy tool for those researching their Irish genealogy.

The “Most Common Surnames” web site may be found at:

An article explaining the information, how to use the web site, and how the surnames were combined for this map (for instance, O’Neill, Oneill, ONeill and Ó Néill appear together as ONEILL) may be found in the IrishCentral web site at:

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