Another family surnamed Ó hAonghusa were found at Ros Ailithir, in the Kingdom of Desmond. It is from this family that the founder of Hennessy brandy, Richard Hennessy of Mallow and Cognac (1720–1800), descended. Richard's descendant, Kilian Hennessy (1907–2010), was a French business magnate and patriarch of the Hennessy cognac company.
This page or section lists people with the surnameÓ hAonghusa. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.