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Bill Costner Age (Kevin Costner’s Father), Family, Wife, Children, Career, Wiki, Net Worth, Biography, & More

Alexander Ross • Sep 25, 2026 • 7 min read

Bill Costner, the father of famous American actor Kevin Costner, lived a life that is both inspiring and admirable. While not as famous as his son, Bill Costner played a significant role in his son’s life and career. In this article, we’ll take a closer look at Bill Costner’s biography, including his birth, family, career, relationships, and more.

Bill Costner’s Early Life (Bio, Age, & Education)

Bill Costner was born on 19 June 1924, in California, United States, to parents Walter Madison and Lillian Mae. Bill’s full name was William Costner and he belonged to American nationality. He was 75 years old at the time of his death on 21 February 2000.

As per the information, Bill Costner attended Buena High School in Sierra Vista, Arizona. After completing high school, he went on to serve in the United States Navy during World War II. Upon returning home, he attended California State University, where he obtained a degree in electrical engineering.

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