Treahy Family History

You can see how Treahy families moved over time by selecting different census years. The Treahy family name was found in the USA between 1880 and 1920. The most Treahy families were found in USA in 1880. In 1880 there were 11 Treahy families living in New York. This was about 58% of all the recorded Treahy's in USA. New York had the highest population of Treahy families in 1880.

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