William  Welch
Illinois Civil War Muster and Descriptive Rolls Database (Illinois State Archives):
       Welch, William  -  PVT - Co D - 90 IL US INF
       Residence, Joliet, Will Co, IL; Join 21Aug1862; Age, 26; Born, Ireland
       Height, 5' 9"; Hair, light; Eyes, light; Complexion, light; Single; Laborer
       Deserted 26Nov1962 at Chicago, ILL
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: