Hollahan Family History

You can see how Hollahan families moved over time by selecting different census years. The Hollahan family name was found in the USA between 1840 and 1920. The most Hollahan families were found in USA in 1880. In 1840 there were 2 Hollahan families living in New York. This was about 40% of all the recorded Hollahan's in USA. New York and 1 other state had the highest population of Hollahan families in 1840.

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