Boy name origins & meanings Hebrew : The supplanter Boy name variations Jacob Jakob Jacobo Jacopo Jacoba Jacobi Jacobine Jacobina Jayme Jacques Jacinto Jascha Jake Jackob Jakub 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 Family name origins & meanings English : patronymic from Jacob. As an American surname this name has absorbed cognates from other languages, for example Danish, Norwegian, and Dutch Jacobsen and Swedish Jacobsson.