Riordan Family History

You can see how Riordan families moved over time by selecting different census years. The Riordan family name was found in the USA, the UK, Canada, and Scotland between 1840 and 1920. The most Riordan families were found in USA in 1920. In 1911 there were 38 Riordan families living in Ontario. This was about 53% of all the recorded Riordan's in Canada. Ontario had the highest population of Riordan families in 1911.

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