Angelina Weld Grimké was born in Boston on February 27, 1880. She was the daughter of Archibald Grimké, who had been born a slave in Charleston, South Carolina, and Sarah Stanley Grimké, a white woman and the daughter of an abolitionist. Named after her great-aunt, the abolitionist and suffragist, Angelina Grimké Weld, Grimké grew up in liberal, aristocratic Boston society. She attended the best preparatory schools in Massachusetts, including Cushing Academy and the now defunct Carleton School.