You've got family at Ancestry.

Find more Dupan relatives and grow your tree by exploring billions of historical records. Taken every decade since 1790, the U.S. Federal Census can tell you a lot about your family. For example, from 1930 to 1940 there were 28 more people named Dupan in the United States — and some of them are likely related to you.

Start a tree and connect with your family.


Create, build, and explore your family tree.

What if you had a window into the history of your family? With historical records, you do. From home life to career, records help bring your relatives' experiences into focus. There were 10 people named Dupan in the 1930 U.S. Census. In 1940, there were 280% more people named Dupan in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 38 people named Dupan were living in the United States. In a snapshot:

  • On average men worked 39 hours a week
  • For 20 females, Flora was the most common name
  • Although 53% were female, the most common name for males was William
  • 36% owned their homes, valued on average at $2,105

Learn where they came from and where they went.

As Dupan families continued to grow, they left more tracks on the map:

  • 7 migrated within the United States from 1935 to 1940
  • 2 were born in foreign countries
  • 40% were first-generation Americans
  • 20% were born in foreign countries