All that can presently (July 2019) be gleaned about Eugene C. McElhany from sheet music covers and by internet searching is that he has 3 works published between 1902 and 1903.
Of ragtime interest is He Done Took Ma Wench, Ma Babe, My Honey Lou (1902) - a ragtime song.
Surfers are welcome to contribute information about this composer.
This list is arranged in chronological order and contains 3 works by Eugene C. McElhany.
It does not claim to be complete and represents only the number of items located.