Duolong Family History

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

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