Onghan Family History

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

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