Student, University California, 1922. Doctor of Laws, University Pacific, 1967. Doctor of Philosophy in Fine Arts (honorary), University San Francisco, 1978.
Master of Fine Arts (honorary), Academy Art College, 1979. Master of Fine Arts (honorary), American Conservatory Theatre, 1977.
He was the Chief Executive of the Joseph Magnin Company
He served as the President of Joseph Magnin Company from 1940 to 1952. He then served as its Chairman and Chief Executive Officer from 1952 to 1970. lieutenant evolved into a multimillion-dollar chain, selling fashion for young women.
He was President of the Portuguese of San Francisco and was instrumental in establishing such internationally renowned institutions as the Asian Art Museum, the American Conservatory Theater and the California Culinary Academy, serving as Head of the California Museums Foundation.
He served on the Board of Directors of the San Francisco Film Festival. He was also a fundraiser for the March of Dimes and the American Cancer Society.
He served as the "Chief of Protocol" for the City of San Francisco from 1964 to 1988. As a result, he was nicknamed "Mr.
San Francisco" by columnist Herb Caen.
He appeared in the films Foul Play, as Pope Pius XIII, and Maxie, as Mr San Francisco. He published his autobiography, Call Maine Cyril, in 1981. Magnin was a veteran political fund-raiser and power broker in the Democratic Party.
He was Treasurer of President Franklin Roosevelt"s northern California re-election campaign in 1944, a delegate to the Democratic National Convention in 1948 (that nominated President Harry Truman) and again in 1964, when he co-chaired the Finance Committee of President Lyndon Johnson"s campaign in California.
The four did not always agree in their choice of candidates. He remarried to Lillian Ryan Helwig in 1951, only to divorce a decade later, in 1961.
He identified as a "non-practising Jew." He died on June 9, 1988. The two-block stretch of Fifth Street north of Market and adjacent to Hallidie Plaza were renamed Cyril Magnin Street in his honor.
Chief protocol City and County San Francisco, from 1964. Vice president California Museum Foundation. Member Asian Arts Committee, Blyth Zellerbach Committee.
Board directors March of Dimes National Foundation. Member National Council Fine Arts Museums San Francisco. Member Executive Committee Asian Art Museum San Francisco.
Trustee American Cancer Society, San Francisco Opera Association, Boys Town Italy. President of the board advisors California Culinary Academy. Member United Nations Association San Francisco (life director), Greater San San Francisco Chamber of C. (president, chairman, San Franciscan award 1968), Masons, Shriners, St. Francis Yacht Club, World Trade Club (directory).
Married Anna Smithline, November 19, 1926 (deceased November 1948). Children: Donald, Ellen Magnin Newman, Jerry.