Descendant of Angus; one choice
Derived from the Irish surname Ó hAonghusa, meaning descendant of Aonghus (Angus). The name Aonghus is composed of Celtic elements meaning 'one' and 'choice' or 'vigor'. While famously associated with the cognac brand, it has emerged as a rare given name in the United States.
About 37 girls were named Hennessy in 2025.
Television personality and sister of Cardi B
US births per 5-year period, 1990–present (SSA data).
