Thiarnau Family History

You can see how Thiarnau families moved over time by selecting different census years. The Thiarnau family name was found in the USA in 1880. In 1880 there were 5 Thiarnau families living in Maryland. This was 100% of all the recorded Thiarnau's in USA. Maryland had the highest population of Thiarnau families in 1880.

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