Onjo Family History

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

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