Alonzo
uh-LAHN-zoh
Alonzo is a Spanish variant of Alfonso, from the Visigothic name Adalfuns, combining adal (“noble”) and funs (“ready,” “eager”), giving the compound meaning “noble and ready.”
The name entered Spanish through the Visigothic nobility of early medieval Iberia and was carried by several kings of León and Castile. Alfonso and Alonzo developed as parallel forms across different Spanish-speaking regions.
Alonzo ranked No. 110 in 1880—the earliest SSA records—with 122 births. In 2024 it sits at No. 512 with 594 births, slightly above its historical average.
What the name Alonzo means
NBA player Alonzo Mourning, who won an Olympic gold medal and an NBA championship, gave the name strong sports visibility from the 1990s onward.
Four syllables—uh-LON-zoh—have a rolling, confident cadence. The z consonant in the third syllable is the name’s most distinctive feature.
In African American communities, Alonzo has maintained consistent use as a formal name with a distinguished sound. It reads as both classic and slightly unusual in contemporary American culture.
The spelling Alonzo distinguishes it visually from Alfonso. The z for f substitution is a Spanish regional feature that became the standard form in many American communities.
US popularity over time
Numerology and symbolism
Based on Pythagorean numerology — a traditional system linking name letters to numbers. Presented for cultural interest.
Famous people named Alonzo
Alonzo - similar names
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