Oapp Family History

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

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