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Find more Zak 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 134 more people named Zak 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 2,100 people named Zak in the 1930 U.S. Census. In 1940, there were 6% more people named Zak in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 2,234 people named Zak were living in the United States. In a snapshot:

  • Most common occupation was machinist
  • 49% owned their homes, valued on average at $2,965
  • 2,164 rented out rooms to boarders
  • For 1,069 females, Helen was the most common name

Learn where they came from and where they went.

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

  • They most commonly lived in Illinois
  • 30% were born in foreign countries
  • 220 migrated within the United States from 1935 to 1940
  • 58% were first-generation Americans