Onca Family History

You can see how Onca families moved over time by selecting different census years. The Onca family name was found in the USA in 1920. In 1920 there were 2 Onca families living in Ohio. This was about 50% of all the recorded Onca's in USA. Ohio had the highest population of Onca families in 1920.

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