- Meaning:Irish - Descendant of Angus; Variation of Henessey and Hennesse, Irish - Descendant of Angus, Variation of Henessey and Hennesse
- Gender:Boy
- Origin:Irish
More About The Name Hennessy
The name Hennessy is primarily of Irish origin and is thought to be derived from the ancient Irish surname Ó hAonghusa, meaning "descendant of Aonghus" or "son of Aonghus." Aonghus is a Gaelic given name, which means "one choice" or "one vigor."
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