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Find more Siff 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 30 less people named Siff 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 265 people named Siff in the 1930 U.S. Census. In 1940, there were 11% less people named Siff in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 235 people named Siff were living in the United States. In a snapshot:

  • Most common occupation was salesman
  • 10 were disabled
  • 18 women had paying jobs
  • The typical household was 3 people

Learn where they came from and where they went.

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

  • They most commonly lived in Illinois
  • The most common mother tongue was Jewish
  • 131 were first-generation Americans
  • 9% migrated within the United States from 1935 to 1940