About William S. Mailliard
Lived 1917 – 1992 (aged 75). William S. Mailliard was an American politician, diplomat and banker.
William Somers Mailliard (June 10, 1917 – June 10, 1992) was an American politician and businessman who served as a member of the U.S. House of Representatives from California's 4th and 6th congressional districts from 1953 to 1974.
During his time in Congress, Mailliard was known for his support of environmental conservation and his efforts to protect California's natural resources. He was a strong advocate for the preservation of the Redwood National Park, which was established during his tenure in Congress.
Mailliard also played a key role in the creation of the Point Reyes National Seashore, a protected area of coastline and wilderness in Northern California. He worked to secure funding for the park and helped to guide its development and management.
In addition to his work in Congress, Mailliard was also a successful businessman, and he played a key role in the development of the Mailliard Ranch, a cattle ranch in Sonoma County, California. He was also involved in the wine industry, and he helped to establish the Sonoma County Wine Library, which is now part of the Sonoma County Library system.
Mailliard died in 1992 at the age of 75.
Early life William S. Mailliard was born on June 10, 1917, in Belvedere, California. He attended Tamalpais High School in San Rafael, California, and the Taft School in Watertown, Connecticut.
He was a permanent Representative of the United States to the Organization of American States with the rank of ambassador, March 7, 1974, to February 1, 1977, and nominated by President Gerald R. Ford and confirmed by the United States Senate on December 10, 1975, to be a member of the Board of Directors of the Inter-American Foundation and was a resident of the community of Belvedere, California, consisting of the eponymous island, along with part of Corinthian Island, in the San Francisco Bay, just offshore from the Tiburon Peninsula. He moved to San Francisco, California, before his death. Mailliard voted in favor of the 1957 Civil Rights Act, the Civil Rights Act of 1960, the Civil Rights Act of 1964, and the Civil Rights Act of 1968. He voted as well for the 24th Amendment to the U.S. Constitution and the Voting Rights Act of 1965.
Personal life He and his first wife, Elizabeth Whinny, had four of his seven children: William S. Mailliard Jr, Antoinette Mailliard, Henry Ward Mailliard, and Kristina Mailliard. After a divorce, he married Millicent Fox, and had three more children; Julia Mailliard, Josephine Mailliard, and Leigh Mailliard.
Death Mailliard died in Reston, Virginia, on June 10, 1992, his 75th birthday.
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Important facts
People in William S. Mailliard's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped William S. Mailliard's
Frequently asked questions
Who was William S. Mailliard?
American politician (1917–1992)
When was William S. Mailliard born?
William S. Mailliard was born on 10 June 1917 in Belvedere.
When did William S. Mailliard die?
William S. Mailliard died on 10 June 1992 in San Francisco.
What was William S. Mailliard's occupation?
William S. Mailliard was a politician, diplomat and banker.
What nationality was William S. Mailliard?
William S. Mailliard was American.
Sources & further reading
· Wikipedia: William S. Mailliard
· DBpedia: William S. Mailliard
Cite this page
APA: Biography.guide. (2026). William S. Mailliard. https://biography.guide/william-s-mailliard/
MLA: "William S. Mailliard." Biography.guide, https://biography.guide/william-s-mailliard/.
Chicago: "William S. Mailliard." Biography.guide. https://biography.guide/william-s-mailliard/.
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