John Warren
Illinois Civil War Muster and Descriptive Rolls Database (Illinois State Archives):
      Warren, John - Pvt - Co B - 20 IL US INF
       Residence, Joliet, Will Co, IL; Join, 13Jun1861; Age, 23; Born, NY
       Height, 5' 5-1/2"; Hair, black; Eyes, dark; Complexion, dark; Single, Laborer
       Died in hospital at Memphis Tenn 08Jul1863
American Civil War Soldiers (ancestry.com)
     
Civil War Soldiers & Sailors System Search Detail (National Park Service):
     
National Graves Registration Database (Sons of Union Veterans of the Civil War):
      
Will County Illinois USGenWeb Necrologist Reports (© 2002 The ILGenWeb Project All Rights Reserved):

Headstone Reading,

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