Head to head · Boys' names
Alessandro vs Alonzo
#497 vs #511 in 2025
Alessandro is a whisker ahead (#497 vs #511 in 2025), but the curves point different ways: Alessandro is climbing the charts fast, Alonzo is holding its place on the charts.
Each name in full: Alessandro · Alonzo
Cast your vote
Which one would you pick?
Your gut first, the numbers after — the split shows once you pick.
The tale of the tape
The tape is even: Alessandro and Alonzo each lead 3 measures of 6.
Ranks, counts and years are measured in the official US birth record; the classroom and living figures are estimates computed from it. The dot marks the side each measure favours on the charts — more common, not better.
What the records say
146 years of US births, drawn on one scale
Two curves, one scale
Alessandro — climbing the charts fast. About 12,000 people named Alessandro are estimated to be alive in the US today.
Alonzo — holding its place on the charts. About 32,000 people named Alonzo are estimated to be alive in the US today.
Who owned which decade
- 1880s: Alessandro —, Alonzo #126 — Alonzo higher
- 1890s: Alessandro —, Alonzo #173 — Alonzo higher
- 1900s: Alessandro —, Alonzo #218 — Alonzo higher
- 1910s: Alessandro —, Alonzo #295 — Alonzo higher
- 1920s: Alessandro —, Alonzo #336 — Alonzo higher
- 1930s: Alessandro #3642, Alonzo #353 — Alonzo higher
- 1940s: Alessandro #3668, Alonzo #386 — Alonzo higher
- 1950s: Alessandro #3159, Alonzo #363 — Alonzo higher
- 1960s: Alessandro #2380, Alonzo #373 — Alonzo higher
- 1970s: Alessandro #1773, Alonzo #428 — Alonzo higher
- 1980s: Alessandro #1465, Alonzo #457 — Alonzo higher
- 1990s: Alessandro #1122, Alonzo #493 — Alonzo higher
- 2000s: Alessandro #728, Alonzo #552 — Alonzo higher
- 2010s: Alessandro #649, Alonzo #529 — Alonzo higher
- 2020s: Alessandro #560, Alonzo #504 — Alonzo higher
Alonzo stood higher in every recorded decade — 15 of 15.
Rank by decade
| Decade | Alessandro | Alonzo |
|---|---|---|
| 1880s | — | #126 |
| 1890s | — | #173 |
| 1900s | — | #218 |
| 1910s | — | #295 |
| 1920s | — | #336 |
| 1930s | #3642 | #353 |
| 1940s | #3668 | #386 |
| 1950s | #3159 | #363 |
| 1960s | #2380 | #373 |
| 1970s | #1773 | #428 |
| 1980s | #1465 | #457 |
| 1990s | #1122 | #493 |
| 2000s | #728 | #552 |
| 2010s | #649 | #529 |
| 2020s | #560 | #504 |
Average national rank across each decade. A dash means the name sat outside the recorded top of that decade.
The names themselves
Meaning, roots, sound and the people who carried each
Where each name comes from
Alessandro
Defender of men
From the Greek Alexandros, built from alexein, to defend or ward off, and andros, of a man.
Alexandros → Alexander → Alessandro
How it traveled
The root is Greek: Alexandros appears in Homer's Iliad as a second name for Paris of Troy, centuries before Alexander of Macedon made it one of the most traveled names on earth. Latin turned it into Alexander, and Italian softened the middle consonants into the double-s of Alessandro.
Alonzo
From Germanic roots usually read as "noble and ready"
The second element, funs ("eager, ready"), is agreed on. The first is not: most read it as adal, "noble," giving "noble and ready"; others trace it to hadu or hild, both meaning "battle," which would make it something nearer "ready for battle." All three are genuine Germanic name-elements, and all three were in circulation among the Visigoths.
Adalfuns → Alfonso → Alonso → Alonzo
How it traveled
The name begins as a Germanic compound carried into Iberia by the Visigoths, and it stuck: Alfonso became one of the great royal names of medieval Spain and Portugal, worn by kings of Castile, León, Aragon and Asturias for centuries. Ordinary Spanish speech wore Alfonso down to Alonso, and Alonso is the form that spread widest — including to the hidalgo of La Mancha in Cervantes' novel.
Where a reading is contested the note says so — this page does not turn a guess into a fact. The chain is each name's recorded forms, oldest first; the story is its opening, told in full on the name's own page.
Out loud, and in short
Alessandro
ah-leh-SAHN-droh
The double s stays crisp and unvoiced, and the r is a light tap in Italian. Many American speakers say al-uh-SAN-droh with a flatter first vowel, and both are widely understood.
- Alex — The default English short form, shared with Alexander and Alexis; used by all generations and long established as a given name on its own.
- Sandro — The traditional Italian clipping, taken from the end of the name rather than the front; stands alone as a full given name in Italy.
- Ale — Informal Italian short form, said AH-leh, mostly within families and among Italian speakers.
- Sandy — An older English-language short form via Alexander; used far less now than it once was.
Alonzo
uh-LON-zoh
Stress on the middle syllable. Spanish speakers say ah-LON-so with a lighter first vowel and an s sound for the z; both are correct for their own language.
- Lonzo — The most common informal short form; also used on its own as a given name.
- Zo — Clipped to the last syllable, informal, common in sports and among friends.
- Lonnie — An older informal short form, and a standalone given name in its own right.
- Al — The plainest option, informal, shared with Albert, Alan and Alfred.
- Also Alo.
Is it right for you
The differences that decide it, laid out by what you want
Choose by what you want
Choose Alessandro if you want…
- a name most people already know#497 in 2025, 608 babies that year
- a name on the way upup 128 places on the charts in five years
- a name with more sound in itAlessandro runs 4 syllables, Alonzo 3
- a newer arrivalAlessandro entered the US charts in 1933
Choose Alonzo if you want…
- a name fewer children share#511 in 2025 — alonzo will almost certainly be the only one in school
- a name holding steadyAlonzo is holding its place on the charts
- a name with fewer syllablesAlonzo is 3 syllables to Alessandro's 4
- a long American recordAlonzo was already in use when US records began in 1880
Each line is a measured difference between the two names — a rank, a count, a recorded form — never a judgement of either. Save the one that answers your question; it lands on your shortlist.
The trade-offs, name by name
Alessandro
Strengths
- Instantly recognizable across Italian, Spanish, English, French and Greek through its Alexander family — a passport name that needs no explanation abroad.
- Two well-worn short forms with different characters: Alex, understood everywhere in English, and Sandro, the Italian one.
- A documented line running from ancient Greek through Latin into modern Italian, with no gaps and no invented links.
To consider
- The spelling will need repeating. Alesandro, Allesandro and Alejandro are all common mishearings, and the double-s is the detail people drop first.
- Four syllables is a lot of name, and it pairs unevenly with long surnames. Worth saying the whole thing aloud with yours a few times.
- Alex is such an easy landing place that he may be Alex to most people by second grade, whether or not that was the plan.
Alonzo
Strengths
- A documented line running from Visigothic Iberia through the medieval Spanish and Portuguese kings to the present — few names have a record that clear.
- Sits comfortably in English and Spanish alike, with close relatives in Italian, Portuguese, French and German.
- Ready-made short forms already in real use: Lonzo, Zo, Lonnie, Al.
To consider
- Alonzo and Alonso are both established spellings, so expect a lifetime of gentle corrections — the z version will get written with an s and vice versa.
- It is strongly represented among older generations, which means most people who know an Alonzo know a grown man rather than a child. That fades as any name comes back around, but it is true right now.
- A child with this name will most likely be the only one wherever he goes. That is a real pleasure for some families and a small burden for others — being the only one means always being the one who explains.
Documented properties of each name — how it spells, travels and shortens — not opinions about the child.
With your last name
Say both in full. The notes are facts about letters and sound — a rhyme, a shared initial, the monogram — not a verdict on either name.
Type a last name to hear Alessandro and Alonzo in full.
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Decide together
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More head-to-heads
Same measures, different pair. Sixty more are dealt daily in the arena.
Lists these names appear on
- Four-syllable names that carry
- Italian names Americans adore
- Victorian names ready for a second century
- Names with a Z in them
- all guides
Where Alessandro and Alonzo each sit in the library — alternatives in the same style, ranked by the same records.
Alessandro or Alonzo — the short answers
- Which is more popular, Alessandro or Alonzo?
- Alessandro, in 2025: Alessandro ranked #497 with 608 babies; Alonzo ranked #511 with 590 babies.
- Which name is rising faster, Alessandro or Alonzo?
- Alessandro. Over the last five years Alessandro moved up 128 places; Alonzo moved down 34 places.
- Which is the older name, Alessandro or Alonzo?
- Alessandro entered the US charts in 1933; Alonzo was already in use when US records began in 1880. On the American record, Alonzo is the older name.
- How many people are named Alessandro and Alonzo?
- About 12,000 people named Alessandro are estimated to be alive in the US today. About 32,000 people named Alonzo are estimated to be alive in the US today.
- Will there be other Alessandros or Alonzos in the classroom?
- Alessandro will almost certainly be the only one in school. Alonzo will almost certainly be the only one in school.
US figures from the Social Security Administration, 1880–2025. Votes are battle voters on this site, not the birth record. Data & methodology
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