If anyone knows the name of Joe Todaro Sr.'s parents, his ancestry may be easier to determine. I've never had any luck when trying to find out where his parents were from.
Josephine D. Todaro, who is Todaro Sr.'s wife, had the maiden name Santomauro. Some time ago I found what I believe is her father's World War I Registration Card -- go to https://familysearch.org/ark:/61903/3:1:33S7-916P-97JH. Rosario Santomauro was born in Ventimiglia di Sicilia, in the province of Palermo.