Etymology Aonghas is the Scottish Gaelic form of Aonghus, which itself derives from the Old Irish Óengus. This name is composed of two Celtic elements: óen meaning "one" and guss meaning "strength, force", thus conveying the sense of "one strength" or "unique choice". The English and Scottish Anglicized form is Angus. Besides Aonghas and Angus, other variants include the Scottish Innes (anglicized from the Gaelic surname MacAonghais) and the diminutive Gus or Gussie. In Irish, the name appears as Angus (also used in English) while the medieval form is Aengus. The earliest recorded form of the name is the Latinized Oinogusius found in Adomnán's Vita Columbae, referring to a Pictish king. Mythological and Historical Background The name is deeply rooted in Irish mythology. Aonghus (or Aonghus), often called Mac Óg meaning "young son", was a pre-Christian deity belonging to the Tuatha Dé Danann. He was the son of the Dagda and Boann, and was associated with love, youth, and poetic inspiration. This mythological figure contributes to the name's cultural resonance in Ireland and Scotland. Historically, the name was borne by several figures including an 8th-century Pictish king known as Óengus I (also called Onuist or Ungust), who ruled Fortiu. Later, saints named Aonghus or Óengus were venerated, such as a 9th-century bishop of Tallaght, known for his liturgical work. The name has remained common in Scotland, adopted by many notable Scots. Notable Bearers Prominent individuals given the name Aonghas or its Anglicized form include the Spanish missionary agus Aonghas (Angus) – though more often, the Anglicized version Angus holds bearing fame. Short forms include Aonghas and Gus. Cultural Significance In Scottish tradition, the clan MacAonghais (or MacAonghais) gave rise to the surname MacInnes and McInnes, as well as the anglicized MacAngus. To indicate affection, the Scottish Gaelic pet form Angaidh (variant of Angie) is sometimes used wewen. }} Key Facts Meaning: "One strength" or "unique choice" Origin: Celtic (Old Irish) Type: First name (masculine) Usage regions: Scotland (Gaelic), also in Ireland (as Aonghus), and English forms like Angus across the English-speaking world