Sarah Ida Shaw Martin (September 7, 1867 – May 11, 1940) was an American author, publisher, educator, and sorority founder.

Shaw and Pond wrote the sorority's constitution, developed its rituals and symbols, and designed its emblem.

[8] She had extensive knowledge of Greek, Hindu, and Egyptian mythology, as well as astronomy, which aided her in the formation of the sorority's rituals.

[19] At the sorority's 1930 national convention, Martin was removed from the office of president in a hostile takeover; she had served as the Alpha Sigma Alpha president for sixteen consecutive years.

[1] Martin served as the national treasurer of Pi Delta Theta sorority.

[21] In April 1932, her successor and other sorority representatives filed a case in Suffolk Superior Court, requesting that Martin turn over bank books and $12,717 ($283,992 in today's money) that was believed to be in the Pi Delta Theta bank accounts under Martin's control.

[7][6] She was also the sorority editor for Banta's Greek Exchange, a quarterly journal first published in December 1912.

[6] Shaw married William Holmes Martin on December 24, 1896, at her family home on 5 Cobden Street in Boston.

[7] She was a member and director of the Massachusetts Society for the University Education of Women.

[7][5] She updated her house at 5 Cobden Street to feature three triangles or the Greek letter Delta on top of its turret.