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.
- #5,537 of 72,339
- all-time among girls
- #3,946 of 17,297
- 2025 SSA year
- 1,568
- born since 1991
- 2010s
- peak decade
Hennessy currently ranks #3946 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 #3946 nationally and more common than 77% 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.
- #5,537 of 72,339 all-time among girls
- #3,946 of 17,297 2025 SSA year
- 1,568 born since 1991
- 2010s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Hennessy ranks #5,537 of 72,339 girls' names by all-time recorded births (highest first) and #3,946 of 17,297 among girls' names in 2025. 1,568 born since 1991, peaking in the 2010s.
- #5,537 of 72,339
- all-time among girls
- #3,946 of 17,297
- 2025 SSA year
- 1,568
- born since 1991
- 2010s
- peak decade
Hennessy's 1,568 recorded births place it above 92.34% of the 72,339 girls names in the full SSA archive.
7 jurisdictions carry state-level records, led by California.
How Hennessy compares
1,568 Top 26% higher than 74% of 17,297 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 (Kyann) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 1,568 | 376 | 567,345 |
| Peak-year births | 82 | 21 | 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 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
2010s is the heaviest window (584 births, 37% of the file).
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 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% |
496 of 1,568 births nationwide. Compared to a flat distribution across 7 reporting states.
Frequently Asked Questions
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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
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
Compare Hennessy side by side: Hennessy vs Henrietta Hennessy vs Henley Hennessy vs Henry
Related Names
Names with a similar popularity rank to Hennessy
Nationwide names with similar peak year or record span
Two nationwide peer axes for Hennessy: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2019)
Similar record span (~34 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 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).
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 August 2026.