Hennessey
girl nameHennessey entered the US charts in 1992, peaked at #4981 in 2015, is rarely given today — a rare gem few children share.
Popularity 1992–2025
—
rank today
#4981
peak (2015)
0
babies in 2025
rare
a rare gem few children share
Rank by decade
| Decade | Average rank |
|---|---|
| 1990s | #9920 |
| 2000s | #7556 |
| 2010s | #8796 |
| 2020s | #10140 |
Living bearers
About 400 people named Hennessey are estimated to be alive in the US today.
The typical Hennessey alive today was born around 2009, making them about 16 years old.
Estimated from official SSA birth records and life tables.
Names similar in popularity
Frequently asked questions
- How popular is the name Hennessey in 2025?
- Hennessey is rarely given in the US today — it does not rank in the top 2000 girl names.
- When was the name Hennessey most popular?
- Hennessey peaked in 2015, reaching #4981 among US girl names.
- Will my child share the name Hennessey with classmates?
- Hennessey will almost certainly be the only one in school.
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