You've got family at Ancestry.

Find more Lewis 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 5,845 more people named Lewis 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 244,836 people named Lewis in the 1930 U.S. Census. In 1940, there were 2% more people named Lewis in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 250,681 people named Lewis were living in the United States. In a snapshot:

  • On average men worked 42 hours a week
  • The typical household was 3 people
  • 10,220 were disabled
  • The average annual income was $871

Learn where they came from and where they went.

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

  • Most immigrants originated from England
  • Most fathers originated from Texas
  • The most common mother tongue was French
  • 4% were born in foreign countries