How rare is the name Alonso?

13,114 people in the United States have the first name Alonso, about 1 in 23,031. It ranks #2,075 of 53,615 first names in the 2020 Census, tied with 1 other.

first name

ALONSO

#2,075

of 53,615 first names recorded in the 2020 Census

People
13,114
About
1 in 23,031
This common or more
78.4%
Who bears it

Of the 13,114 people named Alonso, 95% reported their origin as Hispanic or Latino, 2.2% as White and 2% as Black. Virtually all are male (99.7%). These count how people described themselves on the 2020 Census, not where the name comes from.

Alonso peaked in 2010, when 380 babies got the name.

Births per year, SSA records 1880–2025
19152025
Peak year
2010
Births that year
380
In 2025*
324 ▼15%
Recorded as
almost entirely male

At least 12,231 babies have been given the name since 1915. Years SSA withheld, because fewer than 5 were born, are skipped rather than drawn as zero. * 2025 is the newest year published and it undercounts: a card application is filed some time after a birth.

Alonso by decade

Among all names given to American babies, its best decade was the 2000s, when it ranked #1,457. The largest share of babies named Alonso, 40.2%, were born between 1997 and 2012, as Generation Z.

1910s#7,11431
1920s#6,67066
1930s#5,59872
1940s#5,89274
1950s#4,734146
1960s#3,985236
1970s#3,154457
1980s#2,428836
1990s#1,7711,883
2000s#1,4573,225
2010s#1,5543,311
2020s#1,6301,894
Greatest Generation 1901–270.6%
Silent Generation 1928–451%
Baby boom 1946–642.5%
Generation X 1965–805.2%
Millennials 1981–9616.5%
Generation Z 1997–1240.2%
2013 and later34.1%

Rank counts both sexes together, among every name SSA recorded that decade; the number under it is births. The 2020s run only to 2025. Generation years follow Pew Research Center, which has not named a generation after 2012.

Where Alonso is most common

Compared with all babies born in each state since 1910, Alonso has been most common in Arizona (5.3×), California (3.8×), and Texas (3.3×), and least common in Tennessee (0.16×).

9,972 births recorded by state, 1910–2025. 2× means twice as common as nationally. States with fewer than 30 such births are left blank, and SSA withholds any year with fewer than 5 in a state, so small states read low.

Exactly as common as Alonso

1 other first name also has 13,114 people.

#2,075 Sloane · 13,114

Either side of Alonso

#2,073 Madisyn · 13,120#2,074 Meaghan · 13,115#2,075 Sloane · 13,114#2,077 Lorelei · 13,113

Spelled almost the same

One first name in the 2020 Census spelled within a letter or two of Alonso, most common first.

#1,411 Alonzo · 24,457

Also a last name

As a last name, Alonso ranks #1,169 of 156,621, with 29,520 people. See Alonso as a last name

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