Updated June 9, 2019 Share: Boy name origins & meanings Hebrew : The supplanter Boy name variations Jacob Jakob Jacobo Jacopo Jacoba Jacobson 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 Jocek Jock Jocob Jocobb Jokubus Family name origins & meanings Polish : from a pet form of the personal name Jan (see John).