Mary Lou Sumner (née Fehr) (May 5, 1927 – July 27, 2002) was an American politician.
Sumner also served on the local selective service board.
Sumner founded Mary Lou Records.
From 1977 to 1981, Sumner served in the Illinois House of Representatives and was involved with the Republican Party.
This article about a Member of the Illinois House of Representatives is a stub.