Student, Smith College, 1916-1917; Bachelor of Science in Social Science, Carnegie Institute Technology, 1920.
Recreational director national, Young Women’s Christian Association, 1919;
survey staff, special field representative, National Child Labor Committee, 1920-1921;
executive secretary, Children's Code Commission, West Virginia, 1921-1923;
1st woman chairman, United States Assay Commission, 1953. Pioneer Ten O'Clock Club for Republican presidential campaigns, 1948, 52. Vice president Maryland.
Federation Republican Women, 1954-1956. Orgd., taught political workshops, 1954. Vice chairman Republican State Century, Central Committee.
Member Republican National Committee for Maryland., 1958-1965.
Co-chairman Orthopedic Workshop for Handicapped, Arnes Hospital, St. Louis. National board Women's Medical College Pennsylvania. Member board Baltimore Family and Children's Society, Children's Hospital School, James Lawrence Kernan Children's Hospital.
Member board Junior League of St. Louis, Baltimore. Pioneer, past chairman Service Men's Club.
Married Robert Owen Bonnell, June 23, 1923. Children: Edwina Hazlett Havens, Robert Owen.