Olonghlin Family History

You can see how Olonghlin families moved over time by selecting different census years. The Olonghlin family name was found in the USA in 1880. In 1880 there were 3 Olonghlin families living in Illinois. This was 100% of all the recorded Olonghlin's in USA. Illinois had the highest population of Olonghlin families in 1880.

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