Girl · #9,932 in 2026

Hennessey

Name: Popularity of the name Hennessey in U.S. births, 1880–2026
Creator: U.S. Social Security Administration
License: https://www.ssa.gov/foia/
Keywords: Hennessey, baby name, popularity, U.S., SSA, rankings

Current Rank

#9,932

Peak Rank

#4,981 (2015)

Total Babies

394

5-Yr Trend

-36%

1992

First Year

2026

Last Year

2015

Peak Year

#4981

Peak Rank

394

Total Count

Years Active

The Story of Hennessey

Hennessey first appeared in U.S. Social Security Administration records as a baby girl name in 1992, with 5 babies given the name that year. Its peak popularity came in 2015, when 27 Hennesseys were born — ranking #4,981 that year. As of 2026, Hennessey ranks #9,932 for baby girls with 5 births, falling sharply (-36%). In total, more than 394 Hennesseys have been born in the U.S. since records began in 1880, spanning the 1990s through the 2020s.

Popularity Over Time

Popularity by State

Top 10

11-50

51-100

101-500

500+

No data

Names that sound like Hennessey

Phonetically similar names — useful when Hennessey is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.

Hennessy
Hennesy
Tennessee
Tennesee
Tenessee
Tenacy
Genesee
Hennis
Yenisey
Highness
Heinous
Heresy

Source: Datamuse . Phonetic similarity ranking, not curated.

Frequently Asked Questions about Hennessey

What does the name Hennessey mean?

Hennessey is a girl's name that has been used in U.S. records since 1992. Behind the Name doesn't list a specific etymology, but the name has remained in use across multiple decades.

How popular is Hennessey in 2026?

In 2026, Hennessey ranks #9,932 among girls' names in the U.S., with 5 babies given the name that year.

When was Hennessey most popular?

Hennessey reached its peak popularity in 2015, ranking #4,981 that year with 27 babies given the name.

In which U.S. states is Hennessey most popular?

Hennessey has historically been most popular in Texas, California. Rankings vary year to year, but these states show the strongest concentration of births named Hennessey.

Is Hennessey a unisex name?

In U.S. Social Security records, Hennessey is primarily a girl's name. We don't have meaningful data for it as a boy's name.

What names go well with Hennessey?

Names that share a similar style or popularity range with Hennessey include Sharai, Analyn, Mallika. These pairings are based on rank proximity and naming era in U.S. data.

About the name Hennessey

Hennessey is a girl baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1992 and has accumulated 394 births in the dataset. Hennessey's peak popularity came in 2015 when it ranked #4,981. Use the chart and map above to compare Hennessey's trajectory across years and U.S. states, or browse the related names section to discover similar choices.

Continue exploring

Data sources

Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
Predicted nationality distribution — Nationalize.io .
Phonetically similar names — Datamuse .

Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.