Iago is the Welsh and Galician form of the Late Latin name Iacobus, which itself is derived from the Hebrew Yaʿaqov (see Jacob). It shares its ultimate origin with the English name James, and like James, Iago can be interpreted as meaning "supplanter." In the Welsh context, the name has historical depth, borne by two early kings of Gwynedd. In Galicia and Portugal, it appears as a vernacular form of James, aligning with regional naming traditions. Etymology and Historical Usage The name Iago traces back through Latin Iacobus to the Hebrew Yaʿaqov, the name of the patriarch Jacob in the Old Testament. While James became the dominant English form, Iago evolved independently in the Celtic and Iberian linguistic spheres. In Wales, Iago was used among medieval royalty; notable bearers include Iago ap Idwal and Iago ab Idwal, kings of Gwynedd in the 10th and 11th centuries. In Galicia and Portugal, the name has been used as a native variant, often alongside Xaime (Galician) and Jaime (Portuguese). Shakespeare's Iago The name is globally recognized as the villain of William Shakespeare's tragedy Othello (c. 1603). Iago, Othello's ensign, is a master manipulator who schemes to destroy Othello's life due to perceived slights and jealousy. He is a character notable for his psychological depth and largely motiveless malignity, embodying duplicity on stage. The character's prominence has made the name Iago almost synonymous with deceit and treachery in English-lanugage culture. Notable Bearers Iago ap Idwal (died 979), King of Gwynedd, reigned from 950 to 979. Iago ab Idwal (died 1039), King of Gwynedd, reigned from 1023 to 1039. Cultural Significance While historically used among Welsh royalty, Iago remains rare outside of Galician, Portuguese, and Welsh communities. In modern times, it has limited but enduring usage in those regions, with associations ranging from honored kings to Williaman Shakespeare's villain emblematic of evil cunning. Meaning: "Supplanter" (ultimately from Hebrew Yaʿaqov) Origin: Welsh and Galician form of James Type: First name Usage Regions: Wales, Galicia (Spain), Portugal