Onilowski Family History

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

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