Save Type Surname (from location) Usage English (Rare) Pronounced Pron. SIL-vərthawn(British English) SIL-vərthawrn(American English) [key·IPA] Other Forms FormsSilverthorn Meaning & History Silverthorne, Silverthorn comes from the Old English seolfor "silver" and þorn "thorn bush" and means the family that lived by the "silver or white thorn tree".