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Find more Thornhill 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 573 less people named Thornhill 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 3,243 people named Thornhill in the 1930 U.S. Census. In 1940, there were 18% less people named Thornhill in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 2,670 people named Thornhill were living in the United States. In a snapshot:

  • The average annual income was $859
  • The typical household was 3 people
  • The youngest was less than a year and the oldest was 89
  • 288 owned their homes, valued on average at $2,977

Learn where they came from and where they went.

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

  • 4% were born in foreign countries
  • Most fathers originated from Mississippi
  • 275 were first-generation Americans
  • 130 were born in foreign countries