Celebrate St. Patrick’s Day with this Ireland map depicting birth surnames by county from an 1890 census. It uses label size to represent relative birth counts. You can read about the original map on Mapping Center and download a print copy here.
Click here to visit the interactive map so you can type in your surname and search county details to explore the geo-geneaology of your surname! Don’t forget to wear green tomorrow & have a safe and festive St. Paddy’s Day!