You've got family at Ancestry.

Find more Bir 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 36 more people named Bir 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 161 people named Bir in the 1930 U.S. Census. In 1940, there were 22% more people named Bir in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 197 people named Bir were living in the United States. In a snapshot:

  • 191 rented out rooms to boarders
  • Although 50% were female, the most common name for males was Charles
  • 56 were children
  • 97% rented out rooms to boarders

Learn where they came from and where they went.

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

  • 14 migrated within the United States from 1935 to 1940
  • 20% were first-generation Americans
  • They most commonly lived in Pennsylvania
  • 7% migrated within the United States from 1935 to 1940