Alonzo
A male given name from the Germanic languages, variant of Alfonso.
Every Alonzo since 1880 — 46,109 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Alonzo
Alonzo is uncommon for boys in the United States, ranked #511 in 2025 with 590 babies given the name. It is currently rising compared with a decade ago.
Since 1880, 46,109 American babies have been named Alonzo. Its peak came in 2022, when 651 newborns received the name — the signature sound of the 2020s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Alonzo stood among all boys' names in any year, or use the compare tool to plot it against other names.
Alonzo year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | — | — | 590 | #511 |
| 2024 | — | — | 595 | #512 |
| 2023 | — | — | 552 | #535 |
| 2022 | — | — | 651 | #471 |
| 2021 | — | — | 569 | #515 |
| 2020 | — | — | 626 | #477 |
| 2019 | — | — | 634 | #469 |
| 2018 | — | — | 612 | #476 |
| 2017 | — | — | 549 | #522 |
| 2016 | — | — | 499 | #565 |
| 2015 | — | — | 542 | #527 |
| 2014 | — | — | 527 | #528 |
| 2013 | — | — | 545 | #500 |
| 2012 | — | — | 454 | #568 |
| 2011 | — | — | 455 | #558 |
| 2010 | — | — | 434 | #581 |
| 2009 | — | — | 412 | #612 |
| 2008 | — | — | 483 | #543 |
| 2007 | — | — | 432 | #588 |
| 2006 | — | — | 450 | #559 |
| 2005 | — | — | 452 | #537 |
| 2004 | — | — | 421 | #547 |
| 2003 | — | — | 436 | #533 |
| 2002 | — | — | 433 | #523 |
| 2001 | — | — | 375 | #559 |
| 2000 | — | — | 435 | #516 |
| 1995 | — | — | 453 | #477 |
| 1990 | — | — | 432 | #476 |
| 1985 | — | — | 315 | #488 |
| 1980 | 7 | #8,196 | 363 | #431 |
| 1975 | 7 | #7,191 | 331 | #432 |
| 1970 | 7 | #6,382 | 403 | #402 |
| 1965 | 7 | #5,296 | 422 | #376 |
| 1960 | 5 | #6,400 | 464 | #367 |
| 1955 | 8 | #4,381 | 415 | #354 |
| 1950 | — | — | 364 | #353 |
| 1945 | — | — | 219 | #408 |
| 1940 | — | — | 256 | #357 |
| 1935 | — | — | 240 | #354 |
| 1930 | — | — | 268 | #341 |
| 1925 | — | — | 295 | #336 |
| 1920 | — | — | 308 | #332 |
| 1915 | — | — | 267 | #318 |
| 1910 | — | — | 90 | #254 |
| 1905 | — | — | 93 | #190 |
| 1900 | — | — | 116 | #182 |
| 1895 | — | — | 85 | #185 |
| 1890 | — | — | 88 | #161 |
| 1885 | — | — | 104 | #130 |
| 1880 | — | — | 122 | #110 |
Famous people named Alonzo
- Alonzo Church Mathematician · 1903–1995
- Alonzo Cano Architect · 1601–1667
- Alonzo Mourning Basketball player · b. 1970
- Alonzo Babers Athlete · b. 1961
Ranked by global fame across Wikipedia editions (Pantheon project, MIT).
Frequently asked questions
What does the name Alonzo mean?
A male given name from the Germanic languages, variant of Alfonso.
How popular is the name Alonzo in 2025?
Alonzo ranked #511 among boys' names in the United States in 2025, with 590 babies given the name, according to Social Security Administration data.
How many people are named Alonzo?
46,109 babies have been named Alonzo in the United States since 1880, based on Social Security card applications.
When was the name Alonzo most popular?
Alonzo peaked in 2022, when 651 newborns received the name.
Is Alonzo a boy or girl name?
Alonzo is overwhelmingly a boy's name — 100% of babies with the name.
Is the name Alonzo rising or falling?
Alonzo is on the rise — noticeably more popular now than a decade ago.
Who are famous people named Alonzo?
Well-known people named Alonzo include Alonzo Church (mathematician), Alonzo Cano (architect), Alonzo Mourning (basketball player).