* As an English, German and Swiss/Alemannic German surname, from the noun stock (“stock, tree stump”), see Stock. * As a Dutch surname, from the noun stocker (“jailer”). * As an English surname, from the noun stocker (“one who sells stockfish”). * Also as an English surname, variant of Stoker. * As an Irish surname, from mac an stocaire (“son of the trumpeter”).

Etymology: Wiktionary (CC-BY-SA)