Onckn Family History

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

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