Hennessy
- Pronunciation
- [He-nne-ssy]
- Gender
- Male
- Meaning
- Surname.
- Origin
- Irish
Hennessy Popularity Snapshot
Across the entire US Social Security Administration record (1880–2024), 62 baby boys have been named Hennessy. The name peaked in 1996 with 7 US births that year (rank #7432). In 2024, ranked #11397 nationally — 3,965 places below its 1996 peak.
Other Irish-Origin Names Like Hennessy
If you like Hennessy's Irish origin, consider these related names: Abban, Abiageal, Abracham, Adare, Addergoole. Browse all Irish names →
8-Letter Names Starting with H
Names with Hennessy's exact length and starting letter: Hadassah, Hadiyyah, Hadleigh, Hagaleah, Hagalean.
Quick Facts About Hennessy
Variant Forms
| Name | Meaning | Gender | Origin |
|---|---|---|---|
| Nessa | From The Headland | Female | Scottish |
Looking for names like Hennessy?
A dedicated page with 60+ related names — spelling variants, rhymes, alliterations, same-origin matches, and shared meaning concepts — lives at its own URL so each kind of similarity gets a deeper treatment than fits here.
Compare Hennessy to Other Popular Names
Side-by-side popularity charts and crossover years for Hennessy against today's most popular boys-name peers (top 8 by US births in the last 10 years of SSA records).