You've got family at Ancestry.

Find more Sostak 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 12 more people named Sostak 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 83 people named Sostak in the 1930 U.S. Census. In 1940, there were 14% more people named Sostak in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 95 people named Sostak were living in the United States. In a snapshot:

  • The average annual income was $1,056
  • 28% of adults were unmarried
  • Although 46% were female, the most common name for males was Frank
  • 34 were children

Learn where they came from and where they went.

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

  • 36% were born in foreign countries
  • The most common mother tongue was Czech
  • 63% were first-generation Americans
  • They most commonly lived in New York