Word Origin & History
Sallyfem. proper name, alteration of Sarah (cf. Hal from Harry, Moll from Mary, etc.). Sally Lunn cakes (1780) supposedly named for the woman in Bath who first made them. Sally Ann as a nickname for Salvation Army is recorded from 1927.
sally1542 (n.), 1560 (v.), from M.Fr. saillie "a rushing forth," noun use of fem. pp. of saillir "to leap," from L. salire "to leap" (see
salient).