Spellings
Alonzo or Alonso?
In the US in 2025, 65% of babies in this name family were spelled Alonzo and 35% Alonso. Same name, slightly different impression: here are the figures for each spelling.
Alonzo65% of the family590 born in 2025#511 among boys+9% since 2015Alonso35% of the family324 born in 2025#785 among boyssteady since 2015
Ten years ago
Alonzo already led in 2015, with 62% of the family's births; it has 65% in 2025. All spellings together, the family went from 875 to 914 births, almost unchanged.
| Spelling | 2015 | 2025 | Change |
|---|---|---|---|
| Alonzo | 542 | 590 | +9% |
| Alonso | 333 | 324 | steady |
How they sound
- Alonzo /əˈlɑnzoʊ/ (uh-LON-zoh)
- Alonso /əˈlɑnsoʊ/ (uh-LON-soh)
In France
In France in 2025: Alonzo 25 births and Alonso 10 births.
Sources: Social Security Administration (SSA), Insee (France), 2025 data. How we calculate these figures.
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