Delahan Family History

You can see how Delahan families moved over time by selecting different census years. The Delahan family name was found in the USA, and Canada between 1840 and 1920. The most Delahan families were found in USA in 1880. In 1840 there was 1 Delahan family living in New York. This was 100% of all the recorded Delahan's in USA. New York had the highest population of Delahan families in 1840.

Use census records and voter lists to see where families with the Delahan surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.