Show ContentsKoski History, Family Crest & Coats of Arms

Early Origins of the Koski family

The surname Koski was first found in Mecklenburg, where the Koss family contributed greatly to the development of an emerging nation, and would later play a large role in the tribal and national conflicts of the area. Over time, the Koss family name branched into other houses, where their influence continued to be felt because of the important role they played in the local social and political affairs.

Early History of the Koski family

This web page shows only a small excerpt of our Koski research. Another 55 words (4 lines of text) are included under the topic Early Koski History in all our PDF Extended History products and printed products wherever possible.

Koski Spelling Variations

Spelling variations of this family name include: Koss, Kosa, Kus, Kusiak, Kosik, Kosinski, Koscielski, Koskela and many more.

Early Notables of the Koski family

More information is included under the topic Early Koski Notables in all our PDF Extended History products and printed products wherever possible.

Koski Ranking

In the United States, the name Koski is the 5,911st most popular surname with an estimated 4,974 people with that name. 1

Migration of the Koski family

Some of the first settlers of this family name or some of its variants were: Catherine Koss, who settled in New York in 1832; John Coss, who settled in Connecticut in 1841; Antonia Koss, who settled in New York, NY in 1858; Franz Kosar, who settled in New York, NY in 1881.


Contemporary Notables of the name Koski (post 1700) +

  • Armond Koski, American politician, Candidate for Connecticut State House of Representatives from Greenwich, 1932

Winter Quarters coal mine
  • Mr. John Alfred Koski (b. 1871), "Koskisen", Finnish mine worker residing in Scofield, Utah who worked in the Winter Quarters coal mine on 1st May 1900, when 10 of the 25lb kegs of black powder exploded; he died in the explosion 2
  • Mr. Matt Koski, Finnish mine worker residing in Scofield, Utah who worked in the Winter Quarters coal mine on 1st May 1900, when 10 of the 25lb kegs of black powder exploded; he died in the explosion 2


  1. "What are the 5,000 Most Common Last Names in the U.S.?". NameCensus.com, https://namecensus.com/last-names/
  2. Miners killed in Winter Quarters (retrieved 28th July 2021). Retrieved from http://www.carbon-utgenweb.com/miners.html


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