Origin of the Name Adair
family history was found in the allfamilycrests.com archives. The names Adair and Adare are derived from the old English name 'Eadgar' meaning 'happy spear'. This is a baptismal name with many variants including Edzer, Agar, Ager, Adar, Odger and Eagar. This name is of Anglo-Celtic origin and is found throughout England , Ireland , Scotland and Wales. It is found in many mediaeval manuscripts in these countries. Examples of such are a Thomas Edzear who had a charter of lands of Kildonan in the Rynes of Galloway from Robert I. A 'Fitzgerald of Adare' is on record as owning lands in Kildonan in 1388. The earliest of the name was Eadgar, who was King of the Scots and who reigned from 1097 to 1107.
In Ireland this name and its variants were introduced into Ulster Province by settlers who arrived from England and Scotland , especially during the seventeenth century. It was the 'Plantations of Ireland ' in the sixteenth and seventeenth centuries that marked the end of Gaelic supremacy in Ireland . While the influx of settlers in the wake of the earlier Anglo-Norman invasion of the twelfth century resulted in a full integration into Irish society of the new arrivals, the same never occurred with the Ulster Planters who maintained their own distinct identity.
Adair is also an occasional anglicized form of the Gaelic name O'Daire in County Offaly.
The Adair coat of arms came into existence centuries ago. The process of creating coats of arms (also often called family crests) began in the eleventh century although a form of Proto-Heraldry may have existed in some countries prior to this. The new art of Heraldry made it possible for families and even individual family members to have their very own coat of arms, including all Adair descendants.