Reposted from the Name Origins Forum
from "The Surnames of Scotland" by Dr. G.F. Black
Edington, Eddington
From the place name in the parish of Chirnside, Berwickshire
Early examples:
Aldanus and Adam de Edington attested charters between 1166 and 1189.
Robert de Edington witnessed a charter in 1193.
Adam de Edintun witnessed a charter in 1166-1182.
John of Edynton granted a charter in 1290.
Walter de Edynton was taken as a prisoner of war by the English at Dunbar in 1296.
Ricarde de Edington sealed a document in 1450.
Thomas de Edingtoun was mentioned in 1469.
Robert of Edingtone 1478, Edward Edyngtone 1496, Dik Ethingtoun 1479.
David Edingtoune was a commander of troops in Sweden under Gustavus Adlophus.
William Idlingtoun inhertied some land in Coldingham 1634.
Anna Idintoune is recorded in Coldinghame 1673.
Elspit Edentoune died in Kirktoun of Strickmartin 1679.
The Edingtouns of that Ilk sold their lands to Sir George Ramsay of Dalhousie in 1594.
Also spelt Ethington 1578.
Local pronunciation of the name is Ee-din-tun or Ee-thin-tun.