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Find more Kolz 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 17 less people named Kolz 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 167 people named Kolz in the 1930 U.S. Census. In 1940, there were 10% less people named Kolz in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 150 people named Kolz were living in the United States. In a snapshot:

  • 58% owned their homes, valued on average at $2,633
  • On average men worked 42 hours a week
  • 96% rented out rooms to boarders
  • Although 48% were female, the most common name for males was Robert

Learn where they came from and where they went.

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

  • 22% were born in foreign countries
  • 13% migrated within the United States from 1935 to 1940
  • 75 were first-generation Americans
  • 45% were first-generation Americans