Grernan Family History

You can see how Grernan families moved over time by selecting different census years. The Grernan family name was found in the USA, and Scotland between 1901 and 1920. The most Grernan families were found in USA in 1920, and Scotland in 1901. In 1920 there was 1 Grernan family living in New York. This was 100% of all the recorded Grernan's in USA. New York had the highest population of Grernan families in 1920.

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