I have no information on the "Italia", and I have no information on Donato Colangelo.
However, I have some information which may be helpful. Most of the following people are not yet known to be related to me, but genealogy is always a work in process. Let me know if you notice someone interesting and I will see if I have any more information on that specific person.
Although many of the locations are unknown, I suspect that the vast majority descend from Avigliano and many of them settled at Waterbury, CT.
Donato Antonio Nardozzi b 1868 Avigliano married Angela Colangelo and they had at least 5 children, and he died in Waterbury, CT in 1944.
Anthony Nardozzi married Angela Maria Colangelo and they had at least 2 children born in 1900 & 1918, the older one was born in Avigliano and died in Waterbury, CT.
Domenico Romano married Angela Maria Colangelo and they had at least 1 child, Donata Maria Romano b 1859 Avigliano d 1942 Waterbury.
Michele Debonis b 1802 Pietragalla (near Avigliano) married Angela Maria Colangelo b 1804 Pietragalla and they had at least 1 son.
Nicola Rossi married Anna Colangelo and they had at least 6 children, 1 born 1915 Waterbury.
Thomas Colangelo married Francis Minicucci and they had at least 1 son Thomas who married Dianne Unknown and they had at least 1 son Brian who married (Waterbury) Lisa Michaud.
Canio Colangelo married Angela Maria Nole and they had at least 1 son Vito Vincenzo Colangelo b Avigliano and he married Maria Carmela Carlucci b Avigliano.
Angelo Vito (Charles) Coviello b 1882 Avigliano married Carmela Colangelo and they had at least 1 daughter.
Angelo Vito (Charles) Coviello [probably the same as above] married Carminella Gerrardi Colangelo [probably the Carmela listed above] and they had at least 9 children, at least 1 was born & died at Waterbury.
Vito Colangelo b 1859 Avigliano married Domenica Maria Accuosti b Avigliano and they had at least 3 children. Joseph Bochicchio married their daughter Concetta Colangeo and they had at least 5 children.
Saverio Colangelo married Maria Sabia and they had at least 2 children, Mary Colangelo (b 1902 Harwinton, Ct d 2003 who married a Genovese) and Della Videtto Colangelo.
Rocco Lucia b 1896 married Donata Maria Colangelo and they had at least 1 child.
Francesco Faccinto married (at Hartford, Ct) Filomena Colangelo who died in 1910 at Forenza and they had at least 3 children. Filomena has at least 1 brother, Rocco.
Donato Cammarota married Helen Colangelo and they had at least 3 children.
Donato Vincenzo Lovallo married Margherita Coviello and they had at least 1 daughter b Avigliano.
Raffaele Verrastro b 1875 Avigliano, married 1898 Avigliano, Maria Carmella Colangelo b 1878 Avigliano and they had at least 11 children, at least 1 was born at Avigliano.
Leonardo Luigi Martinelli b 1846 Avigliano married Maria Rosaria Colangelo b 1862 Avigliano and they had at least 2 children [although the 1st born may have been a Lovallo].
Albert Cash b 1938 married Mary Colangelo and they had at least 1 child.
Thomas Colangelo married Domenica M Corbo and they had at least 1 dauther b 1907 at Waterbury and she married Domenic Montory b 1898 at Scafati, Italia.
Paolo Colangelo married Michelina Prata b Avigliano and they had at least 1 child (unknown) who had at least 1 son named Paul.
Vito James Colangelo married Donna Marie Galasso and they had at least 1 daughter, Rose Marie Colangelo b 1917 who married Ralpoh Gisondi and they had at least 1 child. Rose died 1985 at Rome, New York.
Domenico Rinaldi married Vita Crescenzia Colangelo and they had at least 1 daughter.