History of your Surname
Get access to Demchak family records.Start a free trial

Demchak Family History

Demchak Name Meaning

Ukrainian and Rusyn: patronymic from the personal name Demko 2 formed with the diminutive suffix -ak. Americanized form of Slovak Czech and Rusyn (from Slovakia) Demčák or Demčak and Polish Demczak: patronymic from the personal name Demko 1 or 2 formed with the diminutive suffix -ak/-ák.

Source: Dictionary of American Family Names 2nd edition, 2022

Similar surnames: Demchuk, Dembek, Demyan, Rehak, Adamczak, Deck, Dech, Kopchak, Deshaw

Search for a relative to learn more about your family history.

Hint: Try searching for a relative alive in 1940.

Black & white image of a young woman scientist

Where is the Demchak family from?

You can see how Demchak families moved over time by selecting different census years. The Demchak family name was found in the USA, and Canada between 1911 and 1920. The most Demchak families were found in USA in 1920. In 1920 there were 22 Demchak families living in Pennsylvania. This was about 45% of all the recorded Demchak's in USA. Pennsylvania had the highest population of Demchak families in 1920.
Use census records and voter lists to see where families with the Demchak surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.

What did your Demchak ancestors do for a living?

In 1940, Laborer and Domestic were the top reported jobs for men and women in the USA named Demchak. 39% of Demchak men worked as a Laborer and 22% of Demchak women worked as a Domestic. Some less common occupations for Americans named Demchak were Carpenter and Housework. .

View Census Data for Demchak | Data not to scale

*We display top occupations by gender to maintain their historical accuracy during times when men and women often performed different jobs.

Top Male Occupations In 1940

  • Laborer
  • Miner
  • New Worker
  • Carpenter

Top Female Occupations In 1940

  • Domestic
  • Seamstress
  • Maid
  • Housework
Black & white image of two construction labourers

What Demchak family records will you find?

Census Records

There are 1,000 census records available for the last name Demchak. Like a window into their day-to-day life, Demchak census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search US census records for Demchak

Passenger Lists

There are 172 immigration records available for the last name Demchak. Passenger lists are your ticket to knowing when your ancestors arrived in the USA, and how they made the journey - from the ship name to ports of arrival and departure.

View all Demchak immigration records

Draft Cards

There are 599 military records available for the last name Demchak. For the veterans among your Demchak ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all Demchak military records

You've only scratched the surface of Demchak family history

Discover More

What is the average Demchak lifespan?

Between 1944 and 2004, in the United States, Demchak life expectancy was at its lowest point in 1944, and highest in 2004. The average life expectancy for Demchak in 1944 was 23, and 85 in 2004.

View Social Security Death Index (SSDI) for Demchak

Discover the unique achievements of ancestors in the Demchak family tree

Explore Your Tree

Browse profiles of historical people with the Demchak last name

Search for another surname
Enter last name/surname
Start a 14-Day Free Trial