Cowanaugh Family History

You can see how Cowanaugh families moved over time by selecting different census years. The Cowanaugh family name was found in the USA in 1920. In 1920 there was 1 Cowanaugh family living in Pennsylvania. This was about 33% of all the recorded Cowanaugh's in USA. Pennsylvania and 2 other states had the highest population of Cowanaugh families in 1920.

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