first name
ALFONSO
of 53,615 first names recorded in the 2020 Census
Of the 49,412 people named Alfonso, 85.5% reported their origin as Hispanic or Latino, 6% as Black and 5.4% as White. Virtually all are male (99.8%). These count how people described themselves on the 2020 Census, not where the name comes from.
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Alfonso peaked in 1991, when 580 babies got the name.
At least 41,579 babies have been given the name since 1881. 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.
Alfonso by decade
Among all names given to American babies, it ranked #679 in every decade from the 1920s to the 1930s. The largest share of babies named Alfonso, 18.8%, were born between 1981 and 1996, as millennials.
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 Alfonso is most common
Compared with all babies born in each state since 1910, Alfonso has been most common in New Mexico (6.6×), Arizona (3.5×), and Texas (3.3×), and least common in Tennessee (0.05×).
36,177 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.
Either side of Alfonso
Spelled almost the same
7 first names in the 2020 Census spelled within a letter or two of Alfonso, most common first.
Also a last name
As a last name, Alfonso ranks #2,948 of 156,621, with 11,947 people. See Alfonso as a last name
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🔎 ALFONSO 🟦🟦🟦🟦🟦🟦🟦⬜⬜⬜ 1 in 6,113 Americans Rarer than 68.7% of us Peaked in 1991 with 580 babies Beat that 👇 https://howrareismy.name/first/alfonso/