Total births
12,231
Boys' name · since 1915
Alonso
12,231 babies named Alonso in U.S. Social Security records since 1915, with the highest year being 2010. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #771
- among boys today
- 12,231
- born since 1915
- 2010s
- peak decade
- 95%
- more common than other boys
Alonso currently ranks #771 among boys' names in America, with 12,231 babies recorded since 1915.
Alonso has 12,231 recorded births among boys since 1915, per the U.S. Social Security Administration, ranked #771 as of the latest data, more common than 95% of boys, busiest in the 2010s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1915 to 2025.
- #771 among boys today
- 12,231 born since 1915
- 2010s peak decade
- 95% more common than other boys
Data updated Jun 2026
The verdict
Alonso is currently the #771 boys' name in America, more common than 95% of boys - 12,231 born since 1915, peaking in the 2010s.
- #771
- among boys today
- 12,231
- born since 1915
- 2010s
- peak decade
- 95%
- more common than other boys
Alonso vs. every other boys name in current SSA rankings
#771
of 14,294 boys in use
More common than 95% of names given to boys today.
2010s
Peak decade
27% of everyone ever named Alonso was born in this single decade.
2010
Single peak year
380 babies were named Alonso in 2010 - its busiest year on record.
How Alonso compares
12,231 Top 7% higher than 93% of 14,294 names currently given to boys
Based on all-time total births among currently-ranked boys 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
Alonso's all-time total is 33x the median boys name, and Liam still leads by a wide margin.
| Metric | Alonso | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 12,231 | 367 | 358,536 |
| Peak-year births | 380 | 23 | 22,252 |
Alonso's usage pattern, beyond the headline number
Alonso splits its recorded history at 1972: 94% of all births land in the more recent half, 6% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 1915 (5 births) -- compare that against the 2010 peak of 380 for a sense of just how much the name's popularity has swung.
Alonso at a glance
Top 1,000 boys' namePeak year
2010
Current rank
#771
Active since
1915
Alonso popularity over time
Annual U.S. births registered with the Social Security Administration · 1915–2025
- Peak year (2010)
- 380
- Annual births at peak, across 111 years of records
Alonso by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Alonso's strongest decade.
3,311 babies received the name during that ten-year window, about 27% of all-time use.
Alonso births by decade
Total births in each ten-year window
- 1910s 31
1910s
31 births
- 1920s 66
1920s
66 births
- 1930s 72
1930s
72 births
- 1940s 74
1940s
74 births
- 1950s 146
1950s
146 births
- 1960s 236
1960s
236 births
- 1970s 457
1970s
457 births
- 1980s 836
1980s
836 births
- 1990s
1990s
1,883 births
- 2000s
2000s
3,225 births
- 2010s
2010s
3,311 births
- 2020s
2020s
1,894 births
What this shows Peak: 2010s at 3,311 births (27% of all-time use).
How Alonso compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Alonso's total volume
Alonso vs 15 similarly-sized boys names
Alonso by state
Where Alonso concentrates geographically, total births since 1915
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 3,782 | 30.9% |
| #2 | Texas | | 2,562 | 20.9% |
| #3 | Arizona | | 655 | 5.4% |
| #4 | Illinois | | 629 | 5.1% |
| #5 | Florida | | 403 | 3.3% |
| #6 | Colorado | | 325 | 2.7% |
| #7 | New York | | 258 | 2.1% |
| #8 | Washington | | 195 | 1.6% |
California share of Alonso's total US births 30.9%
Even split
3,782 of 12,231 births nationwide. Compared to a flat distribution across 32 reporting states.
Alonso appears in 32 states. Explore state details →
Frequently Asked Questions
How popular is the name Alonso? ▼
Since 1915, Social Security records show 12,231 babies named Alonso. Today it holds rank #771 among boys. Its busiest year on record was 2010, with 380 births.
When was Alonso most popular? ▼
Alonso was most popular in the 2010s decade with 3,311 total births. The single peak year was 2010.
Where is Alonso most popular? ▼
The top states for the name Alonso are California (3,782 births), Texas (2,562 births), Arizona (655 births).
How long has the name Alonso been used? ▼
Records for Alonso go back to 1915, giving 111 years of history through 2025.
What names are similar to Alonso? ▼
Names with a similar sound or spelling include Alonzo, Aloysius, Alonza, Alois, and 4 more. These share a common prefix and are also used for boys.
What to do with Alonso's data
- Alonso's usage has stayed within range of its 2010s decade-level peak (3,311 total births) through the 2020s (1,894) -- a comparatively stable name, not a fading trend.
- California records the most Alonsos (3,782 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 Alonso
Nearby Names Like Alonso
Names with a similar sound, spelling, or feel to Alonso
Alonzo Boy
#512 45,955 births
Aloysius Boy
#4704 5,724 births
Alonza Boy
3,315 births
Alois Boy
#10944 2,525 births
Alon Boy
#4603 1,188 births
Compare Alonso side by side: Alonso vs Alonzo Alonso vs Aloysius Alonso vs Alonza
Related Names
Names with a similar popularity rank to Alonso
Data Sources
Data as of June 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, 1915–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Alonso: #771 Boys' Name - 12,231 Births, Peak 2010." NameAlmanac. Accessed via https://namealmanac.com/name/alonso. 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 Alonso 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 June 2026.