girl's name
Hennessy
- Gender Girl
- Syllables 3
- Letters 8
- Popularity Uncommon
- Births on record 1,678
Hennessy is a girl's name with 3 syllables. In 2025 it was given to 37 babies in the United States. It is used consistently but remains uncommon.
- Peaked in 2019, when 82 babies were given the name.
- Its usage has held steady over the past decade.
- Today about 1 in 89,606 babies in the United States is given this name.
- First appears in US birth records in 1991.
- 3 syllables, with the stress on syllable 1.
Hennessy over time
Births per decade in the United States, 1990s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 1990s | 146 |
| 2000s | 571 |
| 2010s | 601 |
| 2020s (to 2025) | 312 |
How popular is Hennessy?
In 2025, Hennessy was given to 37 babies in the United States. It is used consistently but remains uncommon.
Where Hennessy is used
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
Names that peaked alongside Hennessy
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Hennessy also like
Names whose popularity has risen and fallen in step with Hennessy over the last century — the same taste, a different name.
Sibling names for Hennessy
Names from the same era that won't rhyme or share an initial with Hennessy — the two things that make a sibling set grate.
Common questions about Hennessy
How popular is the name Hennessy?
In 2025, Hennessy was given to 37 babies in the United States. It is used consistently but remains uncommon.
Is Hennessy a girl's or a boy's name?
Hennessy is given almost entirely to girls in birth records.
How many syllables are in Hennessy?
Hennessy has 3 syllables.
When was Hennessy most popular?
Hennessy peaked in 2019, when 82 babies were given the name. Its usage has held steady over the past decade.
Is Hennessy a good name?
That is not something records can settle, but they can tell you what you would be choosing. Hennessy currently ranks #3,932 in the United States. Its usage has held steady over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.