I found this while going through the St Mark files, maybe someone has a lost child:
Ontario, Roman Catholic Church Records, 1760-1923GrenvillePrescottSt MarkBaptisms 1875-1897, Vol. 4 (image 106, pg 102)
Transcribed:
No. 4576 - Robert Alexander
May 22 1884. Baptized Robert Alexander born on 17th April last of unknown parents in Canton, NY. Sponser Mary Abott. J. Masterson, P.P.