| Sources  | 
- [S2]  1900 United States Federal Census, Ancestry.com, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2004;), Source Citation: Year: 1900; Census Place: Union Center, Elk, Kansas; Roll: 479; Page: 7A; Enumeration District: 0104; FHL microfilm: 1240479.
 
residence date:  1900  residence place:  Union Center, Elk, Kansas, USA  marriage date:  1879  Name: Isaac N Cooley   birth date:  Jan 1860  birth place:  Illinois 
 
  
- [S123]  Kansas State Census Collection, 1855-1925, Ancestry.com, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2009;).
 
birth date:  Jan 1860  birth place:  Illinois  residence date:  1925  residence place:  Union Center, Elk, Kansas  Name: Isaac N Cooley 
 
  
- [S4]  1910 United States Federal Census, Ancestry.com, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2006;), Source Citation: Year: 1910; Census Place: Union Center, Elk, Kansas; Roll: T624_439; Page: 3B; Enumeration District: 0125; FHL microfilm: 1374452.
 
residence date:  1910  residence place:  Union Center, Elk, Kansas, USA  birth date:  Jan 1860  birth place:  Illinois  Name: Isaac N Cooley 
  
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