There is a Daniel Gaines b. 1903 on the 1935 Orleans voter registration list noted as living with Miss J or I Gaines?
See: https://www.familysearch.org/ark:/61903/3:1:3QHV-P3FL-Q98H?mode=g&cc=3326775&personaUrl=%2Fark%3A%2F61903%2F1%3A1%3A8R87-YJPZ
Looks like Hazel remarried in 1933
Louisiana Parish Marriages
: Gilbert Xavier Robinson
: Male Age 28 Birth (est) 1905
: Father Robert Robinson Mother Mary Buckley
: Marriage 06 Jul 1933 Orleans, Louisiana
: Spouse Mrs. Hazel Brouillette Gaines
: Female Age 27 Birth (est) 1906
: Father Ulysses Brouillette Mother Mary Dupre
In 1940 your father is listed as Carl Robinson "United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:VYPP-KSG : 27 July 2019), Hazel Robinson in household of Gilbert Robinson, Ward 11, New Orleans, New Orleans City, Orleans, Louisiana, United States; citing enumeration district (ED) 36-293, sheet 8B, line 42, family 144, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 1429. IMAGE: https://www.familysearch.org/ark:/61903/3:1:3QS7-89MR-59SW?personaUrl=%2Fark%3A%2F61903%2F1%3A1%3AVYPP-KSG
United States Census, 1940 Ward 11, New Orleans, New Orleans City, Orleans, Louisiana
: Gilbert Robinson Head Male 34 Louisiana
: Hazel Robinson Wife Female 33 Louisiana
: Carl Robinson Son Male 12 Louisiana
: Gilbert Robinson Son Male 5 Louisiana
: Gill Ann Robinson Dau Female 5 Louisiana
: Robert Robinson Son Male 4 Louisiana
: Hazel Ann Robinson Dau Female 3 Louisiana
Carl's marriage is also here: "Louisiana Parish Marriages, 1837-1957," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:VF4P-3MB : 10 March 2018), Daniel Gaines in entry for Carl Wallace Gaines and Mary Melba Seyer, 27 Oct 1951; citing Orleans Parish, Louisiana, United States, parish courthouses, Louisiana; FHL microfilm 4,241,081.