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Find more Semonco 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 1 more person named Semonco 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 16 people named Semonco in the 1930 U.S. Census. In 1940, there were 6% more people named Semonco in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 17 people named Semonco were living in the United States. In a snapshot:

  • The typical household was 11 people
  • 17 rented out rooms to boarders
  • For 11 females, Annie was the most common name
  • On average men worked 31 hours a week

Learn where they came from and where they went.

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

  • Most immigrants originated from Czechoslovakia
  • 12 were first-generation Americans
  • 4 were born in foreign countries
  • 75% were first-generation Americans