type of whirlpool bath, 1961, U.S. proprietary name, from Jacuzzi Brothers, then headquartered in California, who earlier made jet pumps for motorboats. The family immigrated from Friuli in northern Italy.
fem. proper name, an alteration of Sarah (compare Hal from Harry, Moll from Mary, etc.). Sally Lunn cakes (by 1780), sweet and spongy, supposedly were named for the young woman in Bath who first made them and sold them in the streets. Sally Ann as a nickname for Salvation Army is recorded from 1927.