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Koslowski Family History

Koslowski Name Meaning

Germanized or Americanized form Polish Kozłowski (see Kozlowski ). Jewish (eastern Ashkenazic): variant of Kozlowski (from Poland) or Kozlovsky . Compare Kosloski and Koslowsky .

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


Similar surnames: Kosowski, Koslowsky, Kosloski, Maslowski, Osowski, Sosnowski

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

Hint: Try searching for a relative alive in 1940.

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Where is the Koslowski family from?

You can see how Koslowski families moved over time by selecting different census years. The Koslowski family name was found in the USA, and the UK between 1880 and 1920. The most Koslowski families were found in USA in 1920. In 1891 there was 1 Koslowski family living in London. This was 100% of all the recorded Koslowski's in United Kingdom. London had the highest population of Koslowski families in 1891.
Use census records and voter lists to see where families with the Koslowski surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.

What did your Koslowski ancestors do for a living?

In 1940, Laborer and Housekeeper were the top reported jobs for men and women in the USA named Koslowski. 25% of Koslowski men worked as a Laborer and 15% of Koslowski women worked as a Housekeeper. Some less common occupations for Americans named Koslowski were Clerk and House Work. .

View Census Data for Koslowski | 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.

United States shown, England data unavailable

Top Male Occupations In 1940

  • Laborer
    25%
  • Farmer
    9%
  • New Worker
    8%
  • Clerk
    6%

Top Female Occupations In 1940

  • Housekeeper
    15%
  • Laborer
    15%
  • Housewife
    15%
  • House Work
    9%
Black & white image of two construction labourers

What Koslowski family records will you find?

Census Records

There are 3,000 census records available for the last name Koslowski. Like a window into their day-to-day life, Koslowski census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search UK census records for Koslowski

Passenger Lists

There are 3,000 immigration records available for the last name Koslowski. Passenger lists are your ticket to knowing when your ancestors arrived in the UK, and how they made the journey - from the ship name to ports of arrival and departure.

View all Koslowski immigration records

Draft Cards

There are 1,000 military records available for the last name Koslowski. For the veterans among your Koslowski ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all Koslowski military records

You've only scratched the surface of Koslowski family history

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What is the average Koslowski lifespan?

Between 1959 and 2004, in the United States, Koslowski life expectancy was at its lowest point in 1959, and highest in 2004. The average life expectancy for Koslowski in 1959 was 38, and 84 in 2004.

View Social Security Death Index (SSDI) for Koslowski

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