Oransay, a rocky island of Morvern parish, Argyllshire, in Loch Sunart, 2½ miles E of that loch's deflection from the NW end of the Sound of Mull. It groups with Carna islet, and is washed by impetuous tides from the W, rushing towards the land-locked upper reaches of the loch.

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