Onsmann Family History

You can see how Onsmann families moved over time by selecting different census years. The Onsmann family name was found in the USA in 1880. In 1880 there were 8 Onsmann families living in New Jersey. This was 100% of all the recorded Onsmann's in USA. New Jersey had the highest population of Onsmann families in 1880.

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