| Sources  | 
- [S16]  1920 United States Federal Census, Ancestry.com, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2010;), Database online. Year: 1920; Census Place: Oakes, Choctaw, Oklahoma; Roll: T625_1456; Page: 8B; Enumeration District: 74; Image: .
 
Record for William M Dean 
 
  
- [S1]  1930 United States Federal Census, Ancestry.com, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2002;), Database online. Year: 1930; Census Place: Union, Grady, Oklahoma; Roll: ; Page: ; Enumeration District: ; Image: .
 
Record for William M Dean 
  
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