Coplein Family History

You can see how Coplein families moved over time by selecting different census years. The Coplein family name was found in the USA in 1920. In 1920 there was 1 Coplein family living in Illinois. This was about 50% of all the recorded Coplein's in USA. Illinois and 1 other state had the highest population of Coplein families in 1920.

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