Grethoff Family History

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

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