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Find more Blair 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 563 more people named Blair 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 38,713 people named Blair in the 1930 U.S. Census. In 1940, there were 1% more person named Blair in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 39,276 people named Blair were living in the United States. In a snapshot:

  • 3,739 reported their race as other than white
  • The typical household was 3 people
  • 12,341 were children
  • The youngest was less than a year and the oldest was 99

Learn where they came from and where they went.

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

  • 19% migrated within the United States from 1935 to 1940
  • Most fathers originated from Tennessee
  • They most commonly lived in Texas
  • 5,454 were first-generation Americans