Mary Carnell (December 21, 1861 — October 10, 1925) also seen as Mary Carnell MacEuen, was an American photographer and clubwoman based in Philadelphia, Pennsylvania. She was founder and first president of the Women’s Federation of the Photographers’ Association of America.
Mary A. Carnell was born in Glassboro, New Jersey, the daughter of William Carnell and Hannah Elmira Gillman Carnell. She graduated from Glassboro High School. Her father owned an iron foundry. She nearly died in 1890, when her uncle tried to push her into the path of an oncoming train, but she was rescued by the train’s conductor.