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Find more Thornburg 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 599 less people named Thornburg 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 3,127 people named Thornburg in the 1930 U.S. Census. In 1940, there were 19% less people named Thornburg in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 2,528 people named Thornburg were living in the United States. In a snapshot:

  • 12 reported their race as other than white
  • 45% owned their homes, valued on average at $2,862
  • 2,447 rented out rooms to boarders
  • They typically took 8 weeks of vacation a year

Learn where they came from and where they went.

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

  • 204 were first-generation Americans
  • 1% were born in foreign countries
  • 531 migrated within the United States from 1935 to 1940
  • Most immigrants originated from Sweden