First Parish in Cambridge is a Unitarian Universalist church, located in Harvard Square in Cambridge, Massachusetts. It is a Welcoming Congregation and a member of the Unitarian Universalist Association. The church is notable for its almost 400-year history, which includes pivotal roles in the development of the early Massachusetts government, the creation of Harvard College, and the refinement of current liberal religious thought.

Mary Lee Ware, daughter of Elizabeth Cabot (Lee) Ware and Charles Eliot Ware, was born to a wealthy Bostonian family and, with her mother, was the principal sponsor of the Harvard Museum of Natural History's famous Glass Flowers. She was an avid student of botany, particularly of the work of George Lincoln Goodale; a close friend and sponsor of Leopold and Rudolf Blaschka, creators of the Glass Flowers; and a leading philanthropist and farmer of Rindge, New Hampshire, and Boston, Massachusetts.