[1] After graduating, French worked at various firms in Boston and eventually traveled to Europe, where she studied at the Ecole des Beaux Arts, returning to the United States in 1927.
That year, she married Prentiss French and the couple operated a private practice in Boston and Stockbridge, Massachusetts until 1932 when they relocated to Sarasota, Florida.
The couple then moved to San Francisco when Prentiss was employed by the U.S. Army Corps of Engineers during World War II.
[2] French was a member of the American Institute of Architecture Northern California Chapter, the SPUR, the San Francisco Bay Area Planning and Urban Research Association, the Outdoor Arts Club of Mill Valley, the Marin Art and Garden Center, and the Women's League of San Francisco.
The archives of the Prentiss' lie in the collection of the College of Environmental Design at the University of California, Berkeley.