Onko Family History

You can see how Onko families moved over time by selecting different census years. The Onko family name was found in the USA in 1920. In 1920 there were 3 Onko families living in Pennsylvania. This was about 75% of all the recorded Onko's in USA. Pennsylvania had the highest population of Onko families in 1920.

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