Yoncker Family History

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

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