Onderack Family History

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

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