O'riordan Family History

You can see how O'riordan families moved over time by selecting different census years. The O'riordan family name was found in the USA in 1880. In 1880 there were 7 O'riordan families living in Massachusetts. This was about 70% of all the recorded O'riordan's in USA. Massachusetts had the highest population of O'riordan families in 1880.

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