The Sheffield and Hallamshire County Cup was first played in 1921 and finished in the early 80's.
It was played between the league clubs in South Yorkshire.
Wednesday, United, Barnsley, Doncaster and Rotherham.

For some reason Wednesday's record is poor compared to United.

United have 20 wins (and two shared titles)
Wednesday have 12 wins (and one shared title)

Wednesday Wins
1927
1928
1929
1932
1934
1939 (shared with United)
1945
1946
1950
1951
1953
1973
1975