Joniau Family History

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

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