Origin and Meaning of Hennessy

Descendant of the generous one

Origin: Irish - Hennessy is derived from the Gaelic name 'O' hAonghusa', which means 'descendant of Aonghus', where Aonghus is a personal name meaning 'one strength' or 'the one who is chosen'.

• Hennessy is most commonly known as a surname, but it has gained popularity as a given name in recent years, often reflecting a modern trend of using surnames as first names.
• The name Hennessy is particularly popular in Ireland and among individuals of Irish descent, as well as in other English-speaking countries.
• Notable bearers of the name include Maurice Hennessy, a renowned cognac producer, and various athletes and public figures who carry the surname.
• As of 2020, Hennessy saw a rise in popularity as a first name in the United States, particularly among girls, likely influenced by the trendy cultural association with luxury and style.
• Variations of the name include Hennessey, which is used interchangeably as a surname and derives from the same Gaelic origins.