Onderho Family History

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

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