Did you find out anything more about your Ferdinan Loiselle yet. Maybe his Florida Death Certificate lists his parents.
Ferdinan Entime Loiselle was born December 26, 1885 in NY and died May 26, 1965 in Dade, FL (Source: Florida Death Index. Name: Ferdinand E Loiselle Volume: 2701 Certificate: 23626 Place: Dade Race: W Gender: MDeath Date: May 1965,
Census 1920, Rotterdam, Schenectady, NY Loiselle, Ferdinand E Age: 35NY QC QC,salesman milk, wife Clara Page: 8A ) Clara M Loiselle, wife, age 29, NY QC NY, husband Ferdinand) < with children >
Census 1930: Ferdinand E Loiselle, head, R$40 on Chester St, age 45, m 23, NY NY QC, salesman bakery, wife Clara) Clara M Loiselle, wife, age 29 m 17, NY QC NY, sales lady corsettes, husband Ferdinand) < with children >