Éibhear is an Irish masculine given name of uncertain origin. In Irish, the word eibhear means “granite,” though the name’s etymology is debated. It is derived from Old Irish Éber, whose meaning is not fully established. The name holds a prominent place in Irish mythology, where it is borne by two sons of Míl Espáine: Éibhear Dunn (Éibhear the Brown/Dark) and Éibhear Finn (Éibhear the Fair/White). According to legend, these two were among the first of the Milesians—the mythical Gaels—to conquer Ireland, and they played key roles in the founding of the Milesian dynasty. Etymology and Linguistic Roots Scholars link Éibhear to Old Irish Éber, a name that may share roots with the Proto-Celtic *eburos meaning “yew tree” or possibly with an older Indo-European root for “fiery” or “piercing.” The Irish word eibhear also appears in placenames like An tSraith Eibhearaí (literally “the silver stream”). The name was anglicized as Heber or Eber, though in modern Irish the closest equivalent stylistically is considered to be “Harry.” Mythological Significance In the medieval pseudo-historical compilation Lebor Gabála Érenn (The Book of Invasions), Éibhear Finn is named as the first Milesian High King of Ireland who ruled alongside his brother Érimón, while Éibhear Dunn is associated with the southern kingdom. The myth codifies the division of Ireland between the two champions, symbolizing the synthesis of Gaelic identity. Though primarily mythological, these figures have been referenced in nationalist literature and are sometimes evoked symbolically in discussions of Irish cultural identity. Usage and Variants Éibhear is a rare name in contemporary Irish usage, having been largely supplanted by its anglicized forms. Variants include Éber, Éibhir, and Heber. The latter appears in historical records, most notably Heber MacMahon (1600–1650), the Roman Catholic Bishop of Clogher who led pro-Royalist troops during the Irish Confederate Wars. Environmental recognition exists: Eibhear also functions as a modern Irish surname simplex and appears in the landscape near Knockatotaun in Galway. Despite its deep mythological roots, the given name Éibhear has receded from popular use, yet remains a touchstone for scholars of Celtic onomastics. Meaning: Uncertain; possibly “yew” or “granite” Origin: Old Irish Éber Type: Given name (male) Usage Regions: Ireland, historically, also in anglicized form Heber