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First name origin & meaning:

Hebrew: The supplanter

First name variations: Jakob, Jacobo, Jacopo, Jacoba, Jacobson, Jacobi, Jacobine, Jacobina, Jayme, Jacques, Jacinto, Jascha, Jake, Jackob, Jack, Jackson, Jeb, Cob, Cobb, Giacobo, Giacomo, Iago, Iacovo, Yago, Yaacov, Yacov, Yakov, Jaccob, Jachob, Jaco, Jacobb, Jacub, Jaecob, Jaicob, Jalu, Jecis, Jeks, Jeska, Jocek, Jock, Jocob, Jocobb, Jokubus, Jacob

Last name origin & meaning:

Jewish (Ashkenazic), Czech, and Slovak: from the personal name Jakub, from Hebrew Jahaqóbh (see Jacob).