Mac Darden 
Last updated: 22.06.17
All that can presently (March 2015) be gleaned about by internet searching is that Mac Darden is the one-off composer of Good-Bye Old Gal Good-Bye (1906) published by The Foster Calhoun Co., Evansville, Indiana, USA.
Surfers are welcome to contribute information about this composer.

Further sheet music at DBE: ON HOLD