You've got family at Ancestry.

Find more Rosko 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 34 less people named Rosko 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 487 people named Rosko in the 1930 U.S. Census. In 1940, there were 7% less people named Rosko in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 453 people named Rosko were living in the United States. In a snapshot:

  • 61%, or 62 people, lived in homes they rented
  • Most common occupation was maid
  • On average men worked 39 hours a week
  • 39% owned their homes, valued on average at $3,460

Learn where they came from and where they went.

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

  • 183 were born in foreign countries
  • They most commonly lived in New Jersey
  • Most immigrants originated from Czechoslovakia
  • 38% were born in foreign countries