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“Variant of Alfonso — noble and ready (Germanic adal + funs)” — Spanish, from Germanic Visigothic (via Alfonso) origin
Boy's name · #785 in the US (2025) · 2020s
Alonso reached its best rank, #622, in 2002 and ranked #785 in 2025. About 12,000 boys have carried it since 1915. It is also an American family name — about 30,000 people carry it as a surname, according to US census data. Together with its spelling variant Alonzo (#511), Alonso would rank around #358 with about 910 births last year — the newborns split about 65/35 between Alonzo and Alonso.
Around the world: #73 in Spain (2024).
Appears in 2020-2025 birth records of 16 states. See the full state-by-state map on this page.
Among 450 notable people named Alonso:
Military figures appear 6.35× more often than among typical names — e.g. Alonso de Ercilla, Spanish soldier and poet (1533-1594).
Similar names: Alonzo · Rey · Alaric · Enzo · Camilo · Alvaro
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