Annie Ford McKnight 
Last updated: 22.06.17
All that can presently (May 2013) be gleaned about by internet searching is that Annie Ford McKnight is the one-off composer of Cotton States Rag (1910) published by C.C. Cocroft Music Co., Thomasville, Georgia, USA.
Surfers are welcome to contribute information about this composer.

Further sheet music at DBE: ON HOLD