Iacomus merkilegu heiti: Skapandi, Örlátur, Hæfur, Virk, Alvarlegt. Fá Iacomus merking nafns.
Iacomus Uppruni fornafns. Late Latin form of Jacob. Fá Iacomus Uppruni fornafns.
Samheiti fyrir Iacomus í mismunandi löndum og tungumálum: Akiba, Akiva, Cobus, Coby, Coos, Giacobbe, Giacomo, Hagop, Hakob, Hemi, Iacobus, Iacopo, Iago, Iakob, Iakobos, Iakopa, Ib, Jákob, Jaagup, Jaak, Jaakko, Jaakob, Jaakoppi, Jaap, Jacky, Jacob, Jacobo, Jacobus, Jacó, 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. Fá Iacomus á öðrum tungumálum.
Algengustu nöfnin með eftirnafninu Rides: Jae, Kyoko, Wyatt, Cora, Tessie. Fá Nöfn sem fara með Rides.