You've got family at Ancestry.

Find more Kopac 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 60 more people named Kopac 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 130 people named Kopac in the 1930 U.S. Census. In 1940, there were 46% more people named Kopac in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 190 people named Kopac were living in the United States. In a snapshot:

  • On average men worked 40 hours a week
  • 34% of adults were unmarried
  • For 86 females, Helen was the most common name
  • 24 women had paying jobs

Learn where they came from and where they went.

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

  • Most immigrants originated from Poland
  • Most fathers originated from Czechoslovakia
  • 59% were first-generation Americans
  • 77 were first-generation Americans