Louis Warren
Illinois Civil War Muster and Descriptive Rolls Database (Illinois State Archives):
      Warren, Louis - Pvt - Co K - 45 IL US INF
      Residence, Joliet, Will Co, Il; Join, 06Sep1864; Age, 18; Born, IL
      Height, 5' 6-1/2"; Hair, light; Eyes, gray; complexion, light; Farmer
      Sub for Henry C. Knowlton
     Never reported
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,

Published Obituaries:

Additional Biographical Material: