Ontio Family History

You can see how Ontio families moved over time by selecting different census years. The Ontio family name was found in the USA in 1880. In 1880 there were 4 Ontio families living in Wisconsin. This was 100% of all the recorded Ontio's in USA. Wisconsin had the highest population of Ontio families in 1880.

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