You've got family at Ancestry.

Find more Bos 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 38 less people named Bos 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 1,285 people named Bos in the 1930 U.S. Census. In 1940, there were 3% less people named Bos in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 1,247 people named Bos were living in the United States. In a snapshot:

  • For 622 females, Gertrude was the most common name
  • 1,218 rented out rooms to boarders
  • 400 were children
  • 32% were children

Learn where they came from and where they went.

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

  • 50% were first-generation Americans
  • 184 migrated within the United States from 1935 to 1940
  • They most commonly lived in Iowa
  • Most mothers originated from Netherlands