Illious Family History

You can see how Illious families moved over time by selecting different census years. The Illious family name was found in the USA between 1880 and 1920. The most Illious families were found in USA in 1880. In 1880 there were 12 Illious families living in Pennsylvania. This was 100% of all the recorded Illious's in USA. Pennsylvania had the highest population of Illious families in 1880.

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