Koulmann Family History

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

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