You've got family at Ancestry.

Find more Jenkowski 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 19 more people named Jenkowski 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 20 people named Jenkowski in the 1930 U.S. Census. In 1940, there were 95% more people named Jenkowski in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 39 people named Jenkowski were living in the United States. In a snapshot:

  • 70%, or 7 people, lived in homes they rented
  • The typical household was 3 people
  • Most common occupation was laborer
  • The average annual income was $926

Learn where they came from and where they went.

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

  • 12 were born in foreign countries
  • The most common mother tongue was Polish
  • They most commonly lived in New Jersey
  • 60% were born in foreign countries