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Find more Rost 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 1,042 more people named Rost 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 2,420 people named Rost in the 1930 U.S. Census. In 1940, there were 43% more people named Rost in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 3,462 people named Rost were living in the United States. In a snapshot:

  • The youngest was less than a year and the oldest was 98
  • For 1,719 females, Mary was the most common name
  • 23% of adults were unmarried
  • On average men worked 43 hours a week

Learn where they came from and where they went.

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

  • 811 were first-generation Americans
  • 317 were born in foreign countries
  • Most fathers originated from Pennsylvania
  • Most immigrants originated from Germany