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 Jacobb Jacub Jaecob Jaicob Jalu Jecis Jeks Jeska Jocek Jock Jocob Jocobb Jokubus How Popular Is The Name Jaco Family name origins & meanings Of uncertain origin. : from the personal name (see Jacob).Of uncertain origin. : Possibly a respelling of French Jacot.