E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
The Earl of Ormonde, Lord Deputy of Ireland in the reign of Elizabeth; so called from his ungracious ways and black looks.
He being very stately in apparel, and erect in port, despite his great age, yet with a dark, dour, and menacing look upon his face, so that all who met his gaze seemed to quake before the same.Hon. Emily Lawless: With Essex in Ireland, p. 105.