Clan Hay of Scotland; descended from William de La Haye, who accompanied William the Conqueror in the Invasion of England in 1066. A descendant, William de Haya was granted the lands of Errol in Perthshire in 1172. Sir Gilbert Hay fought at the Battle of Bannockburn and was rewarded with the lands of Slains in Aberdeenshire, and in 1309 was created Lord High Constable of Scotland, the title being made hereditary, 12th November 1314. Sir Thomas Hay, 7th Baron Erroll married Elizabeth, daughter of Robert II. Another Sir Gilbert Hay fought alongside Joan of Arc, and he was the progenitor of the Hays of Delgatie. Sir William Hay was created Earl of Erroll in 1453. The Hays of Erroll were declared outlaws by James VI for supporting the Catholic cause. Sir William Hay of Delgatie was executed by Parliament in 1650 after he supported the Royalist cause, and was reburied in a state funeral after the Restoration. The Hays were Jacobites in both the 1715 and 1745 Risings.
Arms: Argent, three escutcheons gules.
Crest: Out of a ducal coronet, a falcon proper, armed, jessed and belled or.
Motto: Serva Jugum (Keep the yoke).