Otis S. Skinner
Illinois Civil War Muster and Descriptive Rolls Database (Illinois State Archives):
       Skinner, Otis S.  - CPL - Co E - 100 IL US INF
       Residence, Joliet, Will Co, IL; Join, 14Aug1862; Age, 23; Born, Boston, Suffolk Co, MA
       Height, 5' 11-1/2"; Hair, dark, Eyes, grey; complexion, dark; Married; Merchant
       Discharged 17Nov1863
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):

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