"A Cowboy's Christmas Prayer" by Barker.
"A Cowboy's Prayer" was written by Badger Clark- Oh Lord, I've never lived... There are others with the same title- by Barefoot, and several by Anon.

Other holiday poems by Barker, in addition to those listed above, are:
Drifter's Thanksgivin'
Thanksgiving Argument
Line-camp Christmas Letter
Vaquero's Valentine
Draggin' in the Tree
Drylander's Christmas
Three Wise Men
A Cowboy's New Year's Resolutions