Grehan Family History

You can see how Grehan families moved over time by selecting different census years. The Grehan family name was found in the USA, the UK, Canada, and Scotland between 1841 and 1920. The most Grehan families were found in USA in 1920. In 1911 there were 6 Grehan families living in Ontario. This was about 86% of all the recorded Grehan's in Canada. Ontario had the highest population of Grehan families in 1911.

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