Koski Family History

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Koski Name Meaning

Finnish: ornamental name from koski ‘waterfall’, ‘rapids’. This was one of the many words denoting natural features that were used in the formation of Finnish surnames during the name conversion movement in the 19th and early 20th centuries. In the U.S. this is sometimes a shortened form of other Finnish surnames formed with this element, e.g. Kalliokoski, Ylikoski. Polish: habitational name from any of several places called Koski, named with kos ‘blackbird’.

Source: Dictionary of American Family Names ©2013, Oxford University Press


Similar surnames: Kos, Wolski, Molski, Kanski, Koshy, Korpi, Kosa, Kohli, Bukoski

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Koski Ethnicity Estimate

What are the common regions with the Koski name?

These results combine data from everyone in the AncestryDNA® database with the last name Koski. The Ancestry® ethnicity regions shown are top five most common on average for these people.

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  • Finland

    30%

  • England & Wales

    26%

  • Ireland & Scotland

    12%

  • Eastern Europe & Russia

    6%

  • Germanic Europe

    6%

Your own DNA-based ethnicity estimate will differ from what you see here. To get your personalized ethnicity estimate, order an AncestryDNA® kit.order an AncestryDNA® kit.

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Koski Family Origin

Where is the Koski family from?

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You can see how Koski families moved over time by selecting different census years. The Koski family name was found in the USA, the UK, and Canada between 1880 and 1920. The most Koski families were found in the USA in 1920. In 1880 there were 7 Koski families living in Illinois. This was about 27% of all the recorded Koski's in the USA. Illinois and 1 other state had the highest population of Koski families in 1880.
Use census records and voter lists to see where families with the Koski surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.

View Census Data for Koski

Koski Family Occupations

What did your Koski ancestors do for a living?

In 1880, a less common occupation for the Koski family was Rr Operator. Laborer and Farmer were the top 2 reported jobs worked by Koski. The most common Koski occupation in the USA was Laborer. 60% of Koski's were Laborers.

View Census data for Koski | Data not to scale

  • Laborer

    60%

  • Farmer

    20%

  • Rr Operator

    20%

Census records can tell you a lot of little known facts about your Koski ancestors, such as occupation. Occupation can tell you about your ancestor's social and economic status.

Koski Historical Records

What Koski family records will you find?

Census Record

There are 18,000 census records available for the last name Koski. Like a window into their day-to-day life, Koski census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search 1940's US census records for Koski

Passenger List

There are 7,000 immigration records available for the last name Koski. 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 Koski immigration records

Draft Card

There are 4,000 military records available for the last name Koski. For the veterans among your Koski ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all Koski military records

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Koski Life Expectancy

What is the average Koski lifespan?

Between 1943 and 2004, in the United States, Koski life expectancy was at its lowest point in 1948, and highest in 1999. The average life expectancy for Koski in 1943 was 57, and 78 in 2004.

View Social Security Death Index (SSDI) for Koski

An unusually short lifespan might indicate that your Koski ancestors lived in harsh conditions. A short lifespan might also indicate health problems that were once prevalent in your family. The SSDI is a searchable database of more than 70 million names. You can find birthdates, death dates, addresses and more.

Famous Koski Family Ancestors

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