Artist. She is remembered for being an award-winning American portrait painter during the first two decades of the twentieth century. Her notoriety is not only from being a talented artist but for her lifestyle. The daughter of a wealthy Chicago industrialist, John Marshall and his wife and concert pianist, Mary Louise Qua. The socially prominent family spent summers at their Marion, Massachusetts home and later, this 23-room cottage was her full-time home and one of three of her professional studios. Attending private schools for formal education, she was also given the opportunity to meet many of America's most talented and best thinkers of the era at her parents' social events. Mark Twain, Henry James, Brooker T. Washington, President Franklin D. Roosevelt, President Grover Cleveland and other noted Americans visited the Clark home. Subjects of her portraits included aviator, Charles Lindberg; actor, Lionel Barrymore; musician, Walter Damrosch; and inventor, Alexander Graham Bell. She has been described as an independent woman living before her time. She was a model for Charles Dana Gibson's beautiful yet independent American “Gibson Girl”. Being primarily a self-taught artist, she started painting at the age of sixteen. For three months, she studied at the Art Institute of Chicago under noted portrait painter John Singer Sargent and studied independently with portrait artist, Ellen Emmet Rand, who later painted Davis' portrait. On May 4, 1899 at St. Gabriel's Church in Marion, she became the first wife of war correspondent Richard Harding Davis. He had asked for her hand three times before she accepted the ring in a bouquet of violets, which were sent by him from London. An agreement was made that this would be a “mariage blanc.” Her best friend, Ethel Barrymore, was her maid of honor and Charles Dana Gibson was a groomsmen. . The wedding was a social event that was of national interest. While on his newspaper assignments, the couple traveled together around the world giving her the opportunity to have a variety of subjects and access to other artists work. They lived a year in London, England and travelled the Congo, and South Africa. In 1912 she divorced him before women had the right to vote and then devoted herself to her work, travel and her 35 dogs. Using oil on canvas mostly, she did at times use pen, charcoal and watercolors on her pieces. In 1920 she was the recipient of the Gold Medal at the Salon, in Rio de Janerio. She received the Gold Medal in 1925 at the Philadelphia Arts Club. Other awards include the portrait prize for National Association Women and Sculptor in 1926; Popular Prize n Newport Art Association in 1932; and the Portrait Prize at the Art Institute of Chicago. She painted more than 500 portraits. “Beauty,” a portrait of a beautiful lady dressed in an off-white gown with a orange ribbon tied around her waist and the background in various shades of black, was sold at auction in June 2012 for $5,760 The portrait “Little Sewell Gardner, 1920 was auctioned in 2007 for $2,980. Among her personal belongings found at her death was the portrait of Damrosch. Thirteen of her paintings are located at the Sippican Historical Society in Marion. Her 1940 watercolor, “Quiet Hour” is on display at the Smithsonian American Art Museum along with an 1931 black and white photograph of her. According to her obituary, she was ill for twelve years before she died.