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Find more Bay 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 524 more people named Bay in the United States — and some of them are likely related to you.

Start a tree and connect with your family.


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 3,497 people named Bay in the 1930 U.S. Census. In 1940, there were 15% more people named Bay in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 4,021 people named Bay were living in the United States. In a snapshot:

  • Most common occupation was farmer
  • They typically took 10 weeks of vacation a year
  • 6% were disabled
  • 345 women had paying jobs

Learn where they came from and where they went.

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

  • They most commonly lived in Missouri
  • The most common mother tongue was German
  • 18% migrated within the United States from 1935 to 1940
  • 21% were first-generation Americans