Jacó an t-ainm as fheàrr a chiall: Latha an-diugh, Gnìomhach, Droch, Furachail, Càirdeil. Faigh Jacó brìgh ainm.
Jacó a thàinig a 'chiad ainm. Portuguese form of Jacob. Faigh Jacó a thàinig a 'chiad ainm.
Samhlachadh ainmean Jacó ann an diofar dhùthchannan agus cànanan: Akiba, Akiva, Cobus, Coby, Coos, Giacobbe, Giacomo, Hagop, Hakob, Hemi, Iacobus, Iacomus, Iacopo, Iago, Iakob, Iakobos, Iakopa, Ib, Jákob, Jaagup, Jaak, Jaakko, Jaakob, Jaakoppi, Jaap, Jacky, Jacob, Jacobo, Jacobus, Jacopo, Jacques, Jae, Jago, Jaime, Jaka, Jakab, Jake, Jakes, Jakob, Jakov, Jakša, Jakub, Jákup, James, Jamey, Jamie, Japik, Jaša, Jaska, Jaume, Jaumet, Jay, Jaycob, Jaymes, Jeb, Jem, Jemmy, Jeppe, Jim, Jimi, Jimmie, Jimmy, Jockel, Jokūbas, Kapel, Kimo, Koba, Kobe, Kobus, Koby, Koos, Koppel, Kuba, Lapo, Séamas, Séamus, Seumas, Shamus, Sheamus, Sjaak, Sjakie, Yaakov, Yago, Yakiv, Yakov, Yakub, Yakup, Yankel, Yaqoob, Yaqub, Yasha. Faigh Jacó ann an cànanan eile.
As ainm cumanta sloinnidhean le Jacó: Coetzer, Ludick, Kleynhans, Bester, Eksteen. Faigh Liosta de na sloinnidhean ainm le Jacó.
As ainmean cumanta le ainm mu dheireadh Roura: Kip, Agnus, Ivan, Shaneka, Adrian, Adrián, Iván. Faigh Ainmean a 'dol le Roura.