Vaila, an island of Walls parish, Shetland, in the mouth of Vaila Sound, within ¼ mile of the nearest point of the Mainland. It has an utmost length and breadth of 1½ and 1 ¼ mile. Vaila Sound, running up to the vicinity of Walls church, is well sheltered, and forms an excellent natural harbour. Pop. of island (1841) 29, (1881) 9.

(F.H. Groome, Ordnance Gazetteer of Scotland (1882-4); © 2004 Gazetteer for Scotland)