Onecki Family History

You can see how Onecki families moved over time by selecting different census years. The Onecki family name was found in the USA in 1920. In 1920 there were 2 Onecki families living in Illinois. This was about 67% of all the recorded Onecki's in USA. Illinois had the highest population of Onecki families in 1920.

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