Lugaid (Lughaid, Lughaidh, Lughaí, with all equivalents originally attested as Ogham Lugodeccus) is a popular medieval Irish name, thought to be derived from the god Lug. It is borne by a number of figures from Irish history and mythology, including: High Kings of Ireland Lugaid Íardonn, legendary High King of Ireland of the 9th century BC Lugaid Lámdearg, legendary High King of Ireland of the 9th century BC Lugaid Laigde, legendary High King of Ireland of the 8th century BC Lugaid Luaigne, legendary High King of Ireland of the 2nd century BC Lugaid Riab nDerg, legendary High King of Ireland of the 1st century BC Lugaid Mac Con, semi-legendary High King of Ireland of the 3rd century AD Lugaid mac Lóegairi (died c. 507), High King of Ireland Lugaid Loígde, legendary King of Tara upon whom several of the above may be based Other historical figures Lugaid mac Nóis, legendary king of Munster and suitor of Emer Lugaid mac Con Roí, legendary king of Munster and killer of Cú Chulainn Lugaid Lága, henchman of Lugaid Mac Con, regarded as one of the greatest warriors in Ireland Saints Saint Moluag (died 592), also known as Saint Lughaidh, 6th-century Irish Pict missionary Saint Molua, 6th-century Irish saint, founder of Killaloe See also Dáire List of Irish-language given names References James MacKillop, Dictionary of Celtic Mythology. Oxford University Press. 1998. Eoin MacNeill, Celtic Ireland. Academy Press. 1981 (reissue with new intro. and notes by Donnchadh Ó Corráin of original Martin Lester Ltd edition, 1921). T. F. O'Rahilly, Early Irish History and Mythology. Dublin Institute for Advanced Studies. 1946. Irish-language masculine given names