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You've got family at Ancestry.

Find more Groblewski 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 26 more people named Groblewski 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 135 people named Groblewski in the 1930 U.S. Census. In 1940, there were 19% more people named Groblewski in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 161 people named Groblewski were living in the United States. In a snapshot:

  • 100% rented out rooms to boarders
  • 161 rented out rooms to boarders
  • 32% were children
  • 46% owned their homes, valued on average at $3,959

Learn where they came from and where they went.

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

  • 6% migrated within the United States from 1935 to 1940
  • 10 migrated within the United States from 1935 to 1940
  • Most mothers originated from Poland
  • 26 were born in foreign countries