Julia Buccola Petta in 1927, exhumed after 6 years in the grave 6 years in the grave is actually on the stone. Her mother had these dreams where her daughter asked to be dug up... and it took years to get the Archdioscese to agree to it.
Grave dolls were sometimes made and left at the grave of a deceased infant. It was made of wax, and had locks of hair from the deceased child. It sounds morbid by today's standards, but it was not too uncommon in the 19th century.
I think this one is beautiful for the time period it captures and the tremendous clarity of the photo for the time. My guess is the family could afford one of the better photographers of the day, judging from the clothing of the mother and babe. Very touching.