Tennahan Family History

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

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