Emily Sibley Watson was a Rochester, New York philanthropist and patron of the arts. Youngest child of Western Union founder Hiram Sibley and Elizabeth Tinker Sibley, she grew up in a family that valued service, faith, and the arts. She is best known as the founder of the Memorial Art Gallery of the University of Rochester, and patron of Rochester's Hochstein School of Music & Dance. With her mother, she was a major supporter of the Homeopathic Hospital.

Hiram W. Sibley, was an American industrialist, entrepreneur, and philanthropist who was a pioneer of the telegraph in the United States.