Giannio Family History

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

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