She was active in the Beverley Hills Community Church in Alexandria, as well as various Parent Teacher Organizations, the American Association of University Women, Pi Lambda Theta and Delta Kappa Gamma.

She also was active with the Commission on Human Resources of the Washington Center for Metropolitan Studies (serving as vice chairman), and the Tenth District Women's Democratic Club.

[4] Initially, Kathryn Stone's was one of the few Virginia voices advocating on behalf of civil rights and criticizing the Massive Resistance policies of the Byrd Organization as fostering a "spirit of lawlessness and disrespect for constitutional government.

After Governor J. Lindsay Almond acceded to that judicial direction (much to Byrd's dismay), Arlington (and similarly accommodating Norfolk, Virginia) peacefully integrated their schools in early February.

[10] Stone became one of the four named plaintiffs, along with Mann (but not Magruder's successor William L. Winston) as well as with Fairfax state senator John A. K. Donovan and delegate Webb.

Throughout her part-time legislative career, Stone worked to improve youth services, mental health, education and welfare—all of which had received little funding in Virginia in previous decades.

Stone was more successful in establishing the Virginia Community College System, as well as the Commonwealth's first regional juvenile detention home.

In 1966, she declined to seek re-election in order to concentrate on her work as director of the Commission on Human Resources for the Washington Center for Metropolitan Studies, as Chairman of the Arlington Citizens Committee in President Lyndon B. Johnson's War on Poverty and a book tentatively titled "Human Resources: Focus in the Sixties."

[2] The Commission on the Status of Women posthumously named her a Person of Vision, which the General Assembly passed as House Joint Resolution No.