Hennefsy Family History

You can see how Hennefsy families moved over time by selecting different census years. The Hennefsy family name was found in the USA in 1880. In 1880 there was 1 Hennefsy family living in New York. This was 100% of all the recorded Hennefsy's in USA. New York had the highest population of Hennefsy families in 1880.

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