O'reigan Family History

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

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