Dennehan Family History

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

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