AllisonyoudaoicibaDictYouDict[Allison 词源字典]
fem. proper name, a diminutive of Alice (q.v.), via Old French Alison. Popular in U.S. as a girl's name from 1990s, but all but unknown there before 1946; it was popular in England and Scotland 13c.-17c. As a surname, it could represent "Alice's son."[Allison etymology, Allison origin, 英语词源]