Onlsey Family History

You can see how Onlsey families moved over time by selecting different census years. The Onlsey family name was found in the USA in 1880. In 1880 there were 6 Onlsey families living in Illinois. This was 100% of all the recorded Onlsey's in USA. Illinois had the highest population of Onlsey families in 1880.

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