Onslew Family History

You can see how Onslew families moved over time by selecting different census years. The Onslew family name was found in the USA in 1920. In 1920 there were 2 Onslew families living in Oregon. This was 100% of all the recorded Onslew's in USA. Oregon had the highest population of Onslew families in 1920.

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