Janssonius Family History

You can see how Janssonius families moved over time by selecting different census years. The Janssonius family name was found in the USA in 1880. In 1880 there were 2 Janssonius families living in New York. This was 100% of all the recorded Janssonius's in USA. New York had the highest population of Janssonius families in 1880.

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