Grienan Family History

You can see how Grienan families moved over time by selecting different census years. The Grienan family name was found in the USA in 1920. In 1920 there was 1 Grienan family living in Iowa. This was about 50% of all the recorded Grienan's in USA. Iowa and 1 other state had the highest population of Grienan families in 1920.

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