Riardo Family History

You can see how Riardo families moved over time by selecting different census years. The Riardo family name was found in the USA between 1880 and 1920. The most Riardo families were found in and USA in 1880. In 1880 there was 1 Riardo family living in California. This was 100% of all the recorded Riardo's in USA. California had the highest population of Riardo families in 1880.

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