Heffernin Family History

You can see how Heffernin families moved over time by selecting different census years. The Heffernin family name was found in the USA between 1840 and 1920. The most Heffernin families were found in USA in 1880. In 1840 there was 1 Heffernin family living in Pennsylvania. This was 100% of all the recorded Heffernin's in USA. Pennsylvania had the highest population of Heffernin families in 1840.

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