Mary Eleanor Comfort Leonard (January 22, 1856 – August 4, 1940) was an American educator and one of the three founders of the Delta Gamma women's fraternity.

[2][3][1] After her mother died in 1859, her father married her maternal aunt, Georgia Brown Durham, resulting in eleven half-brothers and sisters.

[3][2] In 1873, she was one of the three founders of the Delta Gamma women's fraternity, along with Anna Boyd Ellington and Eva Webb Dodd.

[2] While at the Lewis School, she met Charles Henry Leonard, who was a student from Memphis at the nearby University of Mississippi who became a teacher.

[10] She attended several Delta Gamma conventions and was present when her granddaughter, Mary Elizabeth "Betty" Leonard, was initiated into the Alpha Psi chapter at the University of Mississippi in February 1938.