You've got family at Ancestry.

Find more Croop 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 35 more people named Croop 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 275 people named Croop in the 1930 U.S. Census. In 1940, there were 13% more people named Croop in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 310 people named Croop were living in the United States. In a snapshot:

  • 50%, or 45 people, lived in homes they rented
  • 5% were disabled
  • 17% of adults were unmarried
  • 301 rented out rooms to boarders

Learn where they came from and where they went.

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

  • 5% were born in foreign countries
  • Most immigrants originated from Russia
  • Most fathers originated from Pennsylvania
  • 43 migrated within the United States from 1935 to 1940