Onerro Family History

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

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