Duplichan Family History

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

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