I believe that your ancestor was born in
CASTEL CASTAGNA in Teramo province, Abruzzo region and not in Castagna hamlet of Carlopoli, Catanzaro province.
I am pretty sure that he was born in Castel Campagna...
Francesco made other trip on 1907, and joining at wife Laura in Phila, PA... just the second page of ship's manifest is on line but I believe that is your ancestor, and born in Castel Castagna
First Name : Francesco
Last Name : DiGaetano
Nationality : Italy, Italian South
Last Place of Residence : Castel Castagua, Tesanco
Date of Arrival : September 19th, 1907
Age at Arrival : 27y
Gender : Male
Marital Status : Married
Ship of Travel : PRINZESS IRENE
Port of Departure : Naples
Manifest Line Number : 0023
http://www.libertyellisfoundation.org/s ... SUYiOw==/1
hoping helpful,
suanj