You've got family at Ancestry.

Find more Cieslak 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 52 more people named Cieslak in the United States — and some of them are likely related to you.

Start a tree and connect with your family.

Gender

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 658 people named Cieslak in the 1930 U.S. Census. In 1940, there were 8% more people named Cieslak in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 710 people named Cieslak were living in the United States. In a snapshot:

  • 3% were disabled
  • 27% of women had paying jobs
  • They typically took 12 weeks of vacation a year
  • 690 rented out rooms to boarders

Learn where they came from and where they went.

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

  • The most common mother tongue was Polish
  • 4% migrated within the United States from 1935 to 1940
  • Most immigrants originated from Poland
  • 26 migrated within the United States from 1935 to 1940