Joseph Lewis Watson
  
American Civil War Soldiers (ancestry.com)
     
Civil War Soldiers & Sailors System Search Detail (National Park Service):
      Watson, Joseph L.  - Co E - 5 Pennsylvania Res. INF
      Soldier's Rank in - Sgt
      Soldier's Rank out - Sgt
      Film Number M554, Roll 128

Pennsylvania State Archives:
     Watson, Joseph L.  - e - 5 Res     1 - 681
      Enrolled 6-8-61         At Centre County
       M[ustered] I[n]       6-21-61    As Serg't.       At Comp Tennally
       Age at enrollment  27            Complexion - Dark
       Height   5' 8-3/4"                  Eyes - Blue
       Hair - Brown                        Occup-Farmer
       Residence - Centre County
       Remarks:  W[ounde]d  at Fredericksburg, VA. 12-12-68 in U.S. Gen. Hosp., York, Pa.

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, Block 24, Lot 43:
    
                          (one stone)                                                                                    (separate stones)
Joseph Lewis Watson
August 1, 1834  April 9, 1905
Co. E 34th PA Inf  1861-1864

Caroline M. his wife
1838-1913
 William W.
May 23, 1870
June 26, 1942
 Belle
February 7, 1878
October 21, 1938
              (no GAR marker)

Published Obituaries:

Additional Biographical Material:
Souvenir of Settlement and Progress of Will County, Ill.
Historical Directory Publishing Co. 1884
Jos. L. Watson, 5th Pennsylvania V.R.C. - Member of Bartleson Post No. 6 G.A.R., Organized October 25, 1882