I am also researching GALLO family in Delia
I have Gaetano GALLO d. before 1868. His son Giuseppe GALLO b. 1827-1832 in Delia. M. Nunzia Spaganola b.1838. I have been able to find info on 9 of their children born in Delia: (*have birthrecord)

GALLO:
Salvatore b. about 1860
Michelle b. 1866* Delia ...