The Junior League of Boston’s official mission statement is: "The Junior League of Boston is an organization of women committed to promoting voluntarism, developing the potential of women and improving communities through the effective action and leadership of trained volunteers.

Since its founding, it has provided both money and manpower to causes including increasing unemployment funds during the Great Depression and advocating for disability issues and child abuse during the 1960s and 1970s.

[3][5] She modeled the group after the Junior League of New York, founded in 1901, and aimed to provide young women opportunities to do stimulating work, to help their communities, and to form female friendships.

[3] In these early years, the group aimed its charitable efforts primarily towards poor children, the sick, and the elderly, but also expanded its reach to settlement houses.

During the Great Depression, the League raised money to supplement relief funds and unemployment assistance in Boston.

During World War II, the League helped other organizations that aided soldiers, including the American Red Cross.

[3] In 1985, two members of the Junior League testified before Congress in hearing for a bill called “Amendments to the Foster Care and Adoption Assistance Program,” aiming to establish more transitional houses for homeless youth.

[8][3] In 2011, the League began renovation and refurbishment of this space, in part to make it handicap accessible and better suited to the modern needs of the organization.

[4] Historically, the Junior League of Boston contributed to a greater movement throughout the 1920s to foster the arts among their members.

In the 1920s, the Boston Junior League was known for their avant-garde taste, opting for a fresh and modern art deco style for their clubhouse.

[11] Funds raised through the first Show House allowed the League to develop and open the Gilday Center, a daycare facility for abused children.

[11] The Junior League of Boston hosts an annual charity gala, which is one of its most famous and successful events of the year.