Total births
1,568
Girls' name · since 1991
Hennessy
Hennessy has 1,568 recorded births since 1991 in federal Social Security data, most heavily in 2019 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #3554
- among girls today
- 1,568
- born since 1991
- 2010s
- peak decade
- 80%
- more common than other girls
Hennessy currently ranks #3554 among girls' names in America, with 1,568 babies recorded since 1991.
According to the U.S. Social Security Administration, Hennessy has been recorded 1,568 times among girls since 1991, currently ranked #3554 nationally and more common than 80% of girls, with its heaviest use in the 2010s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1991 to 2025.
- #3554 among girls today
- 1,568 born since 1991
- 2010s peak decade
- 80% more common than other girls
Data updated Jul 2026
The verdict
Hennessy is currently the #3554 girls' name in America, more common than 80% of girls - 1,568 born since 1991, peaking in the 2010s.
- #3554
- among girls today
- 1,568
- born since 1991
- 2010s
- peak decade
- 80%
- more common than other girls
Hennessy vs. every other girls name in current SSA rankings
#3554
of 17,726 girls in use
More common than 80% of names given to girls today.
2010s
Peak decade
37% of everyone ever named Hennessy was born in this single decade.
2019
Single peak year
82 babies were named Hennessy in 2019 - its busiest year on record.
How Hennessy compares
1,568 Top 25% higher than 75% of 17,726 names currently given to girls
Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Hennessy's all-time total is 4x the median girls name, and Olivia still leads by a wide margin.
| Metric | Hennessy | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 1,568 | 382 | 567,345 |
| Peak-year births | 82 | 48 | 19,840 |
Hennessy's usage pattern, beyond the headline number
Hennessy splits its recorded history at 2009: 62% of all births land in the more recent half, 38% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 1991 (5 births) -- compare that against the 2019 peak of 82 for a sense of just how much the name's popularity has swung.
Hennessy at a glance
Outside the top 1,000Peak year
2019
Current rank
#3,554
Active since
1991
Hennessy popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 1991–2025
- Peak year (2019)
- 82
- Annual births at peak, across 35 years of records
Hennessy popularity over time - boys
62 total births recorded since 1996 (Hennessy as boys' name)
Hennessy by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Hennessy's strongest decade.
584 babies received the name during that ten-year window, about 37% of all-time use.
Hennessy births by decade
Total births in each ten-year window
- 1990s 120
1990s
120 births
- 2000s
2000s
558 births
- 2010s
2010s
584 births
- 2020s
2020s
306 births
What this shows Peak: 2010s at 584 births (37% of all-time use).
How Hennessy compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Hennessy's total volume
Hennessy vs 15 similarly-sized girls names
Hennessy by state
Where Hennessy concentrates geographically, total births since 1991
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 496 | 31.6% |
| #2 | Texas | | 210 | 13.4% |
| #3 | New York | | 78 | 5.0% |
| #4 | Florida | | 30 | 1.9% |
| #5 | Arizona | | 12 | 0.8% |
| #6 | Nevada | | 5 | 0.3% |
| #7 | Washington | | 5 | 0.3% |
California share of Hennessy's total US births 31.6%
Even split
496 of 1,568 births nationwide. Compared to a flat distribution across 7 reporting states.
Frequently Asked Questions
How popular is the name Hennessy? ▼
Since 1991, Social Security records show 1,568 babies named Hennessy. Today it holds rank #3554 among girls. Its busiest year on record was 2019, with 82 births.
When was Hennessy most popular? ▼
Hennessy was most popular in the 2010s decade with 584 total births. The single peak year was 2019.
Where is Hennessy most popular? ▼
The top states for the name Hennessy are California (496 births), Texas (210 births), New York (78 births).
How long has the name Hennessy been used? ▼
Records for Hennessy go back to 1991, giving 35 years of history through 2025.
What names are similar to Hennessy? ▼
Names with a similar sound or spelling include Henrietta, Henley, Henry, Hensley, and 4 more. These share a common prefix and are also used for girls.
What to do with Hennessy's data
- Hennessy's usage has stayed within range of its 2010s decade-level peak (584 total births) through the 2020s (306) -- a comparatively stable name, not a fading trend.
- California records the most Hennessys (496 births) -- see the full state breakdown if geography matters to your decision. California names
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Hennessy
Nearby Names Like Hennessy
Names with a similar sound, spelling, or feel to Hennessy
Henrietta Girl
#2134 51,330 births
Henley Girl
#960 6,725 births
Henry Girl
#7601 4,619 births
Hensley Girl
#2277 2,038 births
Henriette Girl
#13496 1,373 births
Compare Hennessy side by side: Hennessy vs Henrietta Hennessy vs Henley Hennessy vs Henry
Related Names
Names with a similar popularity rank to Hennessy
Data Sources
Data as of July 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1991–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Hennessy: #3554 Girls' Name - 1,568 Births, Peak 2019." NameAlmanac. Accessed via https://namealmanac.com/name/hennessy. Licensed CC BY-SA 4.0.
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Hennessy draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.