I came to a dead end, I cannot find any further information. In 1940 I found Jeanette living with her mother listed as married with the 1935 notation listing same house. No further information on John or young John.
1930 Philadelphia (Districts 1001-1236), Philadelphia, Pennsylvania, United States
↑ "Pennsylvania, Philadelphia Marriage Indexes, 1885-1951," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:JV71-Z2Q : 7 December 2014), John Cahill and Huston, 1927; citing license number 548044, Clerk of the Orphan's Court. City Hall.