US rank #771 Boys' name Peak 2010 11,905 births

Alonso — #771 US boys' name

11,905 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.

1910s311920s661930s721940s741950s1461960s2361970s4571980s8371990s18832000s32252010s33112020s1567
#771
of 14,243 boys in use

More common than 95% of names given to boys today.

2010s
Peak decade

28% 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.

What the Data Says About Alonso

The Social Security Administration has registered 11,905 babies named Alonso between 1915 and 2024, spanning 110 consecutive years of U.S. birth records. As a boy's name, Alonso currently holds the #771 rank among boys for 2024. The name reached its historical peak in 2010, when 380 babies received it in a single year.

Decade-level aggregation shows that Alonso performed strongest in the 2010s, accumulating 3,311 births during that ten-year window. Across the 12 decades of recorded activity, Alonso shows notable generational variation in parental adoption. Geographically, the name is most concentrated in California, which accounts for 3,704 births — the largest state-level total in the dataset — followed by Texas and Arizona. In total, SSA state-level files list Alonso in 32 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Alonso in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 11,905 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Alonso at a glance

Top 1,000 boys' name

Total births

11,905

Since 1915

110 years of records

Peak year

2010

380 births that year

Strongest decade: 2010s

Current rank

#771

Among boys

As of 2024

Active since

1915

Recorded for 110 years

Last year on file: 2024

Alonso popularity over time

Annual U.S. births registered with the Social Security Administration · 2024–1915

Top 1,000 boys' name
Peak year (2010)
380
Annual births at peak — across 110 years of records
-1000100200300400 202420101996198219681954193919231915 5

Alonso by decade

Total births in each ten-year window — peak vs trough at a glance

Peak: 2010s
Peak decade
2010s
3,311 births that decade — 28% of Alonso's all-time total
1910s311920s661930s721940s741950s1461960s2361970s4571980s8371990s18832000s32252010s33112020s1567

Alonso by state

Where Alonso concentrates geographically — total births since 1915

Regionally concentrated
Top 8 states by recorded births for the name Alonso
Rank State Visual share Births Share of total
#1 California
3,704 31.1%
#2 Texas
2,490 20.9%
#3 Arizona
638 5.4%
#4 Illinois
610 5.1%
#5 Florida
386 3.2%
#6 Colorado
318 2.7%
#7 New York
246 2.1%
#8 Georgia
192 1.6%
California share of Alonso's total US births 31.1%
Even split

3,704 of 11,905 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?
11,905 babies have been named Alonso since 1915. It currently ranks #771 among boys. The peak year 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 (3,704 births), Texas (2,490 births), Arizona (638 births).
How long has the name Alonso been used?
Alonso has been recorded in Social Security data since 1915, spanning 110 years of data through 2024.
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.

Keep exploring Alonso

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Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1915–2024 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.