first name
ALONZO
of 53,615 first names recorded in the 2020 Census
Of the 24,457 people named Alonzo, 48.1% reported their origin as Black, 38.4% as Hispanic or Latino and 8.7% as White. Virtually all are male (99.7%). These count how people described themselves on the 2020 Census, not where the name comes from.
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Alonzo peaked in 2022, when 651 babies got the name.
At least 46,109 babies have been given the name since 1880. 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.
Alonzo by decade
Among all names given to American babies, its best decade was the 1880s, when it ranked #300. The largest share of babies named Alonzo, 16.5%, were born during the baby boom (1946–1964).
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 Alonzo is most common
Compared with all babies born in each state since 1910, Alonzo has been most common in District of Columbia (2.6×), South Carolina (2.4×), and Mississippi (2.4×), and least common in Connecticut (0.07×).
39,036 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 Alonzo
Spelled almost the same
3 first names in the 2020 Census spelled within a letter or two of Alonzo, most common first.
Also a last name
As a last name, Alonzo ranks #1,646 of 156,621, with 21,256 people. See Alonzo as a last name
Compare
🔎 ALONZO 🟦🟦🟦🟦🟦🟦🟦⬜⬜⬜ 1 in 12,349 Americans Rarer than 74.5% of us Peaked in 2022 with 651 babies Beat that 👇 https://howrareismy.name/first/alonzo/