Brennans Family History

You can see how Brennans families moved over time by selecting different census years. The Brennans family name was found in the USA between 1880 and 1920. The most Brennans families were found in USA in 1880. In 1880 there were 4 Brennans families living in Pennsylvania. This was 100% of all the recorded Brennans's in USA. Pennsylvania had the highest population of Brennans families in 1880.

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