You've got family at Ancestry.

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

Start a tree and connect with your family.


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 38 people named Krozek in the 1930 U.S. Census. In 1940, there were 29% less people named Krozek in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 27 people named Krozek were living in the United States. In a snapshot:

  • 5 women had paying jobs
  • For 12 females, Mary was the most common name
  • 100% rented out rooms to boarders
  • 48% were children

Learn where they came from and where they went.

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

  • 27 were first-generation Americans
  • 71% were first-generation Americans
  • The most common mother tongue was Polish
  • They most commonly lived in Michigan