| Sources  | 
- [S1010]  California, Death Index, 1940-1997, Ancestry.com, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2000;), Database online. Place: San Diego; Date: 21 Sep 1942; Social Security: 0.
 
Record for William Henry Marquiss 
 
  
- [S77]  U.S., World War I Draft Registration Cards, 1917-1918, Ancestry.com, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2005;), Database online. Registration Location: Denver County, Colorado; Roll: ; Draft Board: .
 
Record for William Henry Marquiss 
  
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