Denncky Family History

You can see how Denncky families moved over time by selecting different census years. The Denncky family name was found in the USA in 1920. In 1920 there were 2 Denncky families living in Connecticut. This was 100% of all the recorded Denncky's in USA. Connecticut had the highest population of Denncky families in 1920.

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