Gennco Family History

You can see how Gennco families moved over time by selecting different census years. The Gennco family name was found in the USA in 1920. In 1920 there was 1 Gennco family living in New York. This was 100% of all the recorded Gennco's in USA. New York had the highest population of Gennco families in 1920.

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