From Italian Giacobo or Sicilian *Giacubu (variants of Giacomo and Giacumu respectively), from Latin Iacobus, from Ancient Greek Ἰάκωβος (Iákōbos), from Hebrew יַעֲקֹב (yaʿăqōḇ).
Inherited from Old French Mathieu, from Latin Matthaeus, from Ancient Greek Ματθαῖος (Matthaîos), from Hebrew מַתִּתְיָהוּ (mattiṯyāhū, literally “gift of the Lord”).
Borrowed from Sicilian Stefanu, from Latin Stephanus, from Ancient Greek Στέφανος (Stéphanos). Being an early borrowing, the word shows the regular phonetic development, i.e.…
From Italian Giacobo or Sicilian *Giacubu (variants of Giacomo and Giacumu respectively), from Latin Iacobus, from Ancient Greek Ἰάκωβος (Iákōbos), from Hebrew יַעֲקֹב (yaʿăqōḇ).