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Find more Duclos 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 206 less people named Duclos in the United States — and some of them are likely related to you.

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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 982 people named Duclos in the 1930 U.S. Census. In 1940, there were 21% less people named Duclos in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 776 people named Duclos were living in the United States. In a snapshot:

  • The youngest was 1 and the oldest was 86
  • 27% of women had paying jobs
  • For 384 females, Rose was the most common name
  • 35 were disabled

Learn where they came from and where they went.

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

  • 386 were first-generation Americans
  • 88 migrated within the United States from 1935 to 1940
  • 180 were born in foreign countries
  • The most common mother tongue was German