Ida C. McClellan 
Last updated: 22.06.17
All that can presently (May 2013) be gleaned about by internet searching is that Ida C. McClellan is the one-off composer of Emmet's March and Two-Step (1903) published by Geo. Willig & Co., Baltimore, Maryland, USA.
Surfers are welcome to contribute information about this composer.

Further sheet music at DBE: ON HOLD