Looking at newspapers.com, I've found an article about him leaving for the Navy in 1943, winning a penmanship contest in 1932, and being a bearer for the coffin of Madeline Fitzgerald in 1980.

Its harder to find the reason between familial splits, or the true reason, as everyone has their own view of the reason why something happens.

Difficult to find vital records for the last 50 years or so since the last census we have is from 1950 and other records are protected for x # of years