Ohlonnell Family History

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

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