Jacob Koski

1879 - 1941  (62 years)    Has 2 ancestors and 13 descendants in this family tree.

 Set As Default Person    

• Name	Jacob Koski  [1]
  Gender	Male
  Birth	25 Jun 1879	Kauhava, Lansi-Suomen Laani, Finland   [1]
  Arrival	1898  [1]
  Death	20 Nov 1941	Finlayson, Pine, Minnesota, United States
  Siblings	2 brothers
  1. Jacob Koski           b. 25 Jun 1879, Kauhava, Lansi-Suomen Laani, Finland           d. 20 Nov 1941, Finlayson, Pine, Minnesota, United States  (Age 62 years)   2. Gust Koski           b. 20 May 1884, Finland           d. 24 Feb 1962  (Age 77 years)   3. Henry Oscar Koski           b. 26 Aug 1891, Wassa, Finland           d. 11 Feb 1947  (Age 55 years)
  Person ID	I4345	Coon White Family Tree

  
  

  Father	Isaac Koski           b. 27 Jul 1851, Kauhava, Lansi-Suomen Laani, Finland           d. 15 Nov 1926, Finlayson, Pine, Minnesota, United States (Age 75 years)
  Relationship	natural
  Mother	Sanna Mutka           b. 19 Nov 1848, Harma, Lansi-Suomen Laani, Finland           d. 8 Apr 1911, Finlayson, Pine, Minnesota, United States (Age 62 years)
  Relationship	natural
  Marriage	1876***Data is already there***
  Family ID	F1070	Group Sheet  |  Family Chart

  
  

  Family	Sanna Maria Kankaanpaa           b. 17 Jun 1881, Kauhava, Lansi-Suomen Laani, Finland           d. 19 Feb 1951, Finlayson, Pine, Minnesota, United States (Age 69 years)
  Children	1. John Jacob Koski           b. 30 Apr 1904, Pennsylvania           d. 27 Sep 1990, Finlayson, Pine, Minnesota, United States (Age 86 years)  [Father: natural]  [Mother: natural]   2. Arthur G Koski           b. 30 Jul 1907, Sandstone, Pine County, Minnesota, USA           d. 3 Jul 1978, Moose Lake, Carlton County, Minnesota, USA (Age 70 years)  [Father: natural]  [Mother: natural]   3. Elsie Mary Koski           b. 19 Feb 1909, Sandstone, Minnesota, USA           d. 29 Mar 1994, Mesa, Maricopa, Arizona, USA (Age 85 years)  [Father: natural]  [Mother: natural]   4. Esther Agnes Koski           b. 9 Dec 1918, Finlayson, Pine, Minnesota, United States           d. 4 Nov 2010, Sandstone, Pine, Minnesota, USA (Age 91 years)  [Father: natural]  [Mother: natural]
  Family ID	F1057	Group Sheet  |  Family Chart

  
  

• Event Map		Death - 20 Nov 1941 - Finlayson, Pine, Minnesota, United States
  Pin Legend	: Address       : Location       : City/Town       : County/Shire       : State/Province       : Country       : Not Set

  
  

• Reference

  "Jacob Koski". Coon White Family History. https://cw.ourfamilyroots.org/getperson.php?personID=I4345&tree=cw (accessed April 17, 2026).

  
  

Sources

[S2031] Ancestry.com, 1910 United States Federal Census, Year: 1910; Census Place: Sandstone, Pine, Minnesota; Roll: T624_711; Page: 7A; Enumeration District: 0128; FHL microfilm: 1374724.