Meaning not yet researched.
Hennessy: US girls given the name each year, 1880 to 2025, from Social Security card applications. 37 in 2025. Its best rank was #2,239 in 2019.
US births per year · SSA card applications
Peaked at #2,239 in 2019; #3,936 in 2025. Every baby recorded as Hennessy in 2025 was a girl.
Baby name · US data 1880–2025
#3,936 for US girls in 2025. Its best year was 2019, at #2,239.
Hover, tap or use the arrow keys for any year. Years with fewer than five babies of a sex are not published by SSA and show as zero.
Hennessy: US girls given the name each year from 1880 to 2025. 37 girls in 2025. Peak: #2,239 in 2019 · most girls in one year: 82 (2019).
In 2025, 37 US girls were named Hennessy, making it the 3,936th most common girls’ name of the year, down 398 places from #3,538 in 2024. That is 7 fewer than the 44 girls named Hennessy in 2024. Its best rank for girls was #2,239, reached in 2019. That year also had the most girls given the name: 82. For comparison, it was #3,940 in 2015 and unranked in 1950.
Social Security card records list Hennessy in 34 years of the 146 from 1880 to 2025, starting in 1991 with 5 babies. In all, 1,630 US babies have been given the name, 96% of them girls and 3.8% boys. Its busiest decade was the 2010s, with 601 babies named Hennessy.
Over the 10 years from 2016 to 2025, 551 US girls were named Hennessy; the busiest of those years was 2019, with 82. In 2025 that was about 1 in 43,440 of the girls in SSA’s list for the year.
Rarer spellings such as Hennessey, Henessy and Hennesy are summarised on this page.
Meaning not yet researched.
We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.
No related spellings pass our data threshold.
Rare spellings summarised here: Hennessey (383), Henessy (162), Hennesy (84), Henessey (22), Hennesey (15), Henesy (7), Hennesie (5), Hennessi (5).
Numbers are all-time US births. Links come from Wikidata’s “said to be the same as” (P460, CC0) and our spelling rule: at most two letters different, with the same sound pattern.
No nicknames listed for Hennessy in the open dataset we use.
Source: carltonnorthern/nicknames (Apache-2.0).
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | 37 | #3,936 | — | — |
| 2024 | 44 | #3,538 | 6 | #11,437 |
| 2023 | 39 | #3,866 | — | — |
| 2022 | 66 | #2,643 | — | — |
| 2021 | 67 | #2,600 | — | — |
| 2020 | 53 | #3,038 | — | — |
| 2019 | 82 | #2,239 | — | — |
| 2018 | 74 | #2,422 | 6 | #11,293 |
| 2017 | 45 | #3,452 | — | — |
| 2016 | 44 | #3,547 | 6 | #11,226 |
| 2015 | 38 | #3,940 | 5 | #12,783 |
| 2014 | 49 | #3,290 | — | — |
| 2013 | 62 | #2,781 | — | — |
| 2012 | 57 | #2,986 | — | — |
| 2011 | 62 | #2,811 | — | — |
| 2010 | 71 | #2,568 | — | — |
| 2009 | 78 | #2,454 | — | — |
| 2008 | 70 | #2,644 | — | — |
| 2007 | 57 | #3,069 | 7 | #10,161 |
| 2006 | 74 | #2,492 | — | — |
| 2005 | 62 | #2,711 | — | — |
| 2004 | 54 | #2,937 | — | — |
| 2003 | 49 | #3,058 | — | — |
| 2002 | 39 | #3,482 | — | — |
| 2001 | 41 | #3,332 | 6 | #9,711 |
| 2000 | 34 | #3,761 | — | — |
| 1999 | 29 | #4,007 | 5 | #10,516 |
| 1998 | 23 | #4,700 | 7 | #7,889 |
| 1997 | 17 | #5,710 | 7 | #7,577 |
| 1996 | 13 | #6,871 | 7 | #7,431 |
| 1995 | 20 | #4,907 | — | — |
| 1994 | 7 | #10,979 | — | — |
| 1993 | 6 | #12,340 | — | — |
| 1991 | 5 | #13,949 | — | — |
About the data: counts are Social Security card applications for US births, for names given to at least five babies of a sex in a year (SSA, names.zip, public domain). Ranks follow SSA’s own order: most births first, ties alphabetical. Files retrieved 2026-10-05 (checksum on our sources page).