You've got family at Ancestry.

Find more Klopper 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 75 more people named Klopper 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 121 people named Klopper in the 1930 U.S. Census. In 1940, there were 62% more people named Klopper in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 196 people named Klopper were living in the United States. In a snapshot:

  • They typically took 8 weeks of vacation a year
  • 54 were children
  • 6 were disabled
  • Although 47% were female, the most common name for males was Frank

Learn where they came from and where they went.

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

  • Most immigrants originated from Germany
  • They most commonly lived in Kansas
  • The most common mother tongue was German
  • 40% were first-generation Americans