Bachelor of Science, Cornell University, 1958. Certified elementary teacher, University California, Berkeley, 1959.
4th grade elementary teacher Edison School, San Francisco, 1959—1960. Special education specialist Kalaheo (Hawaii) School, 1960—1961. Secretary, trustee Punahou School, Honolulu, since 1968.
Owner retailing women's wear and gifts Mary Cooke Inc., 1978—1986.
Vice president board trustees, co-founder Manoa Heritage Center, Honolulu, since 1995. Co-founder, trustee Kuali'i Foundation, since 1995. Founding president Malama o Manoa, since 1992.
Trustee National Trust History Preservation, Washington, since 1998. Member of Garden Club American (Zone XII conservation representative 1988—2000, Zone XII Civic Improvement award 2002), Garden Club Honolulu (president 1986-1988, Hui Mala award 1996, Women's History Missouri honoree 2001).
Married Samuel Alexander Cooke, August 20, 1960. Children: Juliette, Catherine, Edith.