James Hay, 15th Earl of Erroll

James Hay, 15th Earl of Erroll styled Lord Boyd from 1728 to 1746, was a Scottish nobleman and the son of William Boyd, 4th Earl of Kilmarnock. After his father was attainted in 1746, he became Mr James Boyd, but in 1758 he inherited the Earldom of Erroll from his great-aunt Mary Hay, 14th Countess of Erroll.