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Find more Sedlacko 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 11 more people named Sedlacko in the United States — and some of them are likely related to you.

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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 39 people named Sedlacko in the 1930 U.S. Census. In 1940, there were 28% more people named Sedlacko in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 50 people named Sedlacko were living in the United States. In a snapshot:

  • They typically took 10 weeks of vacation a year
  • 47% of adults were unmarried
  • For 27 females, Helen was the most common name
  • 1 was disabled

Learn where they came from and where they went.

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

  • 4 migrated within the United States from 1935 to 1940
  • The most common mother tongue was Slovak
  • 74% were first-generation Americans
  • Most immigrants originated from Czechoslovakia