Grennan Family History

You can see how Grennan families moved over time by selecting different census years. The Grennan family name was found in the USA, the UK, Canada, and Scotland between 1841 and 1920. The most Grennan families were found in USA in 1920. In 1891 there were 24 Grennan families living in Lancashire. This was about 47% of all the recorded Grennan's in United Kingdom. Lancashire had the highest population of Grennan families in 1891.

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