Hi Lynne, I think the only way to find answers to your questions is to find his obituary (if one was published).The California Death Index says he died in San Bernardino Co.
A Hubert Harisin Born: 13 Dec 1899 Last Residence: Redlands, San Bernardino Co., CA. Died: 5 March 1979 Last Benefit Mailed to: San Bernardino, San Bernardino Co., CA His soc. sec. # was assigned in Calif. before 1951. Source: Social Security Death Index.
There's an obituary volunteer at Random Acts Genealogical Kindness. Go to raogk.org Choose California Choose S Scroll down to San Bernardino-Yucaipa & Redlands. The volunteer has the contact info for Redlands' obits.
You can request a copy from the local genealogy society, firstname.lastname@example.org . They do charge a fee. Successful Searching!