All that can presently (June 2019) be gleaned from sheet music covers and by internet searching is that C.L. Barnhouse is the one-off composer of Geo'ge Washin'ton's Birthday Pahty (1899).
Surfers are welcome to contribute information about this composer.
This list is arranged in chronological order and contains 1 work by C.L. Barnhouse (1865-1929). It does not claim to be complete and represents only the number of items located. Key: Electronic Resource Items