Girls' name · since 1992
Hennessey
Since 1992, U.S. Social Security records show 383 babies named Hennessey, peaking in 2015. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #16026
- among girls today
- 383
- born since 1992
- 2000s
- peak decade
- 10%
- more common than other girls
Yes -- Hennessey is the #16026 most popular girls' name in the U.S. today, with 383 recorded since 1992.
Social Security Administration records show Hennessey recorded 383 times among girls since 1992, holding rank #16026 nationally today, ahead of 10% of girls, peaking in the 2000s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1992 to 2024.
- #16026 among girls today
- 383 born since 1992
- 2000s peak decade
- 10% more common than other girls
Data updated Jul 2026
The verdict
Hennessey is currently the #16026 girls' name in America, more common than 10% of girls - 383 born since 1992, peaking in the 2000s.
- #16026
- among girls today
- 383
- born since 1992
- 2000s
- peak decade
- 10%
- more common than other girls
Hennessey vs. every other girls name in current SSA rankings
More common than 10% of names given to girls today.
40% of everyone ever named Hennessey was born in this single decade.
27 babies were named Hennessey in 2015 - its busiest year on record.
How Hennessey compares
383 Top 50% higher than 50% 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
Hennessey's all-time total is 0% above the median girls name, and Olivia still leads by a wide margin.
| Metric | Hennessey | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 383 | 382 | 567,345 |
| Peak-year births | 27 | 48 | 19,840 |
Hennessey's usage pattern, beyond the headline number
Hennessey splits its recorded history at 2010: 48% of all births land in the more recent half, 52% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1992 (5 births) -- compare that against the 2015 peak of 27 for a sense of just how much the name's popularity has swung.
Hennessey at a glance
Outside the top 1,000Peak year
Current rank
Active since
Hennessey popularity over time
Annual U.S. births registered with the Social Security Administration · 1992–2024
- Peak year (2015)
- 27
- Annual births at peak, across 33 years of records
Currently ranks #16026 among girls.
383 total births across 33 years of SSA records. Peaked in 2015 with 27 births in a single year.
Hennessey by decade
Total births in each ten-year window, peak vs trough at a glance
2000s was Hennessey's strongest decade.
153 babies received the name during that ten-year window, about 40% of all-time use.
Hennessey births by decade
Total births in each ten-year window
- 1990s 46
1990s
46 births
- 2000s
2000s
153 births
- 2010s
2010s
133 births
- 2020s 51
2020s
51 births
What this shows Peak: 2000s at 153 births (40% of all-time use).
Hennessey decade highlights
- Peak decade 153 births
- Runner-up 133 births
- Modern era share 2010s + 2020s
- Decades tracked with recorded births
Hennessey by state
Where Hennessey concentrates geographically, total births since 1992
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 17 | 4.4% |
| #2 | Texas | | 5 | 1.3% |
17 of 383 births nationwide. Compared to a flat distribution across 2 reporting states.
Top 5 states
- California 4.4% of nationwide
- Texas 1.3% of nationwide
Recorded in 2 of 51 SSA jurisdictions
California accounts for 4.4% of all recorded births nationwide - a relatively diffuse profile for this name.
Frequently Asked Questions
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What to do with Hennessey's data
- Hennessey's usage has stayed within range of its 2000s decade-level peak (153 total births) through the 2020s (51) -- a comparatively stable name, not a fading trend.
- California records the most Hennesseys (17 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 Hennessey
Nearby Names Like Hennessey
Names with a similar sound, spelling, or feel to Hennessey
Compare Hennessey side by side: Hennessey vs Henrietta Hennessey vs Henley Hennessey vs Henry
Related Names
Names with a similar popularity rank to Hennessey
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, 1992–2024 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Hennessey: #16026 Girls' Name - 383 Births, Peak 2015." NameAlmanac. Accessed via https://namealmanac.com/name/hennessey. 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 Hennessey 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.
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NameAlmanac Editorial
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.