De koss Family History

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

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