You've got family at Ancestry.

Find more Koons 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 534 less people named Koons 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 4,009 people named Koons in the 1930 U.S. Census. In 1940, there were 13% less people named Koons in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 3,475 people named Koons were living in the United States. In a snapshot:

  • 166 were disabled
  • 22% of adults were unmarried
  • 46%, or 436 people, lived in homes they rented
  • The youngest was less than a year and the oldest was 97

Learn where they came from and where they went.

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

  • The most common mother tongue was Norwegian
  • Most fathers originated from Ohio
  • 77 were born in foreign countries
  • 421 were first-generation Americans