Take a peek in the sites below. You might find your grandfather and others. His name might have been Nicola Antoni - Nick Anthony is not “italian” neither is Felix, his brother; was probably Felice. https://www.familysearch.org/search/record/results?count=20&...
In this site, there is a Felice FRARACCIO - document difficult to read. This Felice might be Felix, brother of your grandfather.
Document on page 1605 of 5058 pages.https://www.familysearch.org/ark:/61903/3:1:3QS7-89DQ-26B4?i...
Felice is a salesman of umbrellas, of all things, and seems to travel often.
He was in New York in 1904
On Dec 9, 1919, Felice aged 43 yrs old (b. 1876) born in Fioselone*, Italy.
Arrive in Montreal, Canada accompagnied by “Antonia, 35 yrs old” - (perhaps his wife).
Felice’s father is Vincenzo.
His residence in 1919 is Montreal, Canada.
*Couldn’t find Fioselone - but found Frosinone. See Wikipedia: https://en.wikipedia.org/wiki/Frosinone