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Find more Sontag 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 183 less people named Sontag 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 1,325 people named Sontag in the 1930 U.S. Census. In 1940, there were 14% less people named Sontag in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 1,142 people named Sontag were living in the United States. In a snapshot:

  • 49%, or 148 people, lived in homes they rented
  • On average men worked 44 hours a week
  • They typically took 9 weeks of vacation a year
  • 3 reported their race as other than white

Learn where they came from and where they went.

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

  • 201 were born in foreign countries
  • Most immigrants originated from Germany
  • 511 were first-generation Americans
  • The most common mother tongue was German