Thannahan Family History

You can see how Thannahan families moved over time by selecting different census years. The Thannahan family name was found in the USA in 1880. In 1880 there were 5 Thannahan families living in New York. This was 100% of all the recorded Thannahan's in USA. New York had the highest population of Thannahan families in 1880.

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