O'lean Family History

You can see how O'lean families moved over time by selecting different census years. The O'lean family name was found in the USA between 1880 and 1920. The most O'lean families were found in and USA in 1880. In 1880 there was 1 O'lean family living in California. This was about 50% of all the recorded O'lean's in USA. California and 1 other state had the highest population of O'lean families in 1880.

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