Elise Mercur, also known as Elise Mercur Wagner, (November 30, 1864 – March 27, 1947) was Pittsburgh, Pennsylvania's first woman architect. She was raised in a prominent family and educated abroad in France and Germany before completing training as an architect at the Pennsylvania Academy of the Fine Arts. Her first major commission, for the design of the Woman's Building for the Cotton States and International Exposition of Atlanta, was secured in 1894, while she was apprenticed to Thomas Boyd. It was the first time a woman had headed an architectural project in the South. After completing a six-year internship, she opened her own practice in 1896, where she focused on designing private homes and public buildings, such as churches, hospitals, schools, and buildings for organizations like