Irrgan Family History

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

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