Plahan Family History

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

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