Duffack Family History

You can see how Duffack families moved over time by selecting different census years. The Duffack family name was found in the USA between 1880 and 1920. The most Duffack families were found in USA in 1880. In 1880 there were 11 Duffack families living in Dakota Territory. This was 100% of all the recorded Duffack's in USA. Dakota Territory had the highest population of Duffack families in 1880.

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