Demancy Family History

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

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