Teàrlach is a Scottish Gaelic male given name, serving as the Gaelic form of Toirdhealbhach. It is sometimes Anglicized as Charles, though etymologically unrelated to the Germanic name Charles, which derives from a word meaning "free man." Teàrlach instead traces back to Old Irish Tairdelbach, meaning "instigator" or "prompter," from the element tairdelb meaning "prompting." Etymology and History The Old Irish name Tairdelbach was borne by several medieval Irish kings, most notably Toirdhealbhach Ua Briain (died 1086), a 11th-century King of Munster who claimed the title of High King of Ireland. The name evolved into Irish Toirdhealbhach, later Gaelicized in Scotland as Teàrlach. Despite its Anglicization as Charles, the name has an entirely different roots: Toirdhealbhach's etymology is thoroughly Gaelic, reflecting a personal quality of initiative. In Scottish Gaelic, Teàrlach is pronounced /ˈt͡ʃʰaːrˠl̪ˠəx/ and follows typical Gaelic grammatical patterns, with genitive form Theàrlaich and vocative a Theàrlaich. Cultural Significance Teàrlach remains in use in Scotland, particularly among Gaelic-speaking communities. Though less common than Anglicized equivalents like Charles, it persists as a distinctive name tied to Gaelic heritage and medieval Irish history. The name shares its root with the Anglicized Irish form Turlough, another variant of the same original. Related Forms The feminine equivalent is Teàrlag, representing the female version of Teàrlach in Scottish Gaelic. Meaning: "instigator" or "prompter" (from Old Irish tairdelb) Origin: Scottish Gaelic, from Old Irish Type: First name (male) Usage regions: Scotland, especially Gaelic-speaking areas; historically in Ireland Related names: Toirdhealbhach (Irish), Turlough (Irish), Tairdelbach (Old Irish), Teàrlag (feminine form)