Onchi Family History

You can see how Onchi families moved over time by selecting different census years. The Onchi family name was found in the USA in 1920. In 1920 there was 1 Onchi family living in Arizona. This was about 50% of all the recorded Onchi's in USA. Arizona and 1 other state had the highest population of Onchi families in 1920.

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