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Find more Clark 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 13,475 more people named Clark 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 298,049 people named Clark in the 1930 U.S. Census. In 1940, there were 5% more people named Clark in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 311,524 people named Clark were living in the United States. In a snapshot:

  • 96,108 were children
  • 14% reported their race as other than white
  • Most common occupation was laborer
  • 27,897 women had paying jobs

Learn where they came from and where they went.

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

  • They most commonly lived in New York
  • 37,359 were first-generation Americans
  • 19% migrated within the United States from 1935 to 1940
  • 13,157 were born in foreign countries