Alonso

#785 in 2025Boys' name

Usually interpreted as noble and ready; earliest formation uncertain

Alonso has been given to 12,231 babies in the U.S. since 1915. In 2025 it ranked #785 of 13,926 boys’ names in use. Its peak year was 2010, with 380 recorded.

Babies named Alonso, 2025

1 in 10,200

Alonso over time, 1880–2025

Boys
010020030040018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Alonso: meaning, origin, and history

Usually interpreted as noble and ready; earliest formation uncertain

Spanish form of a Germanic name

About Alonso

Alonso is a Spanish form of Alfonso, usually interpreted as “noble and ready.” Its older roots are Germanic, while its literary life is unmistakably Spanish and Shakespearean: Alonso Quijano becomes Don Quixote, and another Alonso is the king of Naples in The Tempest.

Meaning and name family

Alonso belongs to the Alfonso family, traditionally explained through Germanic elements meaning “noble” and “ready.” Some early forms suggest that more than one older name may have contributed to the family, so the precise earliest formation is not entirely settled.

Alfonso retains the f that Alonso omits. Alonzo is a related spelling familiar in American use; Alphonse is French, Afonso is Portuguese, and Alfons occurs in several European languages. These forms preserve different stages and regional versions of the same broad name tradition.

In Spanish, Alonso is approximately ah-LON-soh, with three syllables and the stress in the middle. The s remains an s sound. Its opening and ending vowels give the name a more flowing rhythm than shorter relatives such as Alfons.

Alonso Quijano

Alonso Quijano is the man who takes the identity of Don Quixote in Miguel de Cervantes’s novel, published in two parts in 1605 and 1615. Absorbed in books of chivalry, he decides to become a knight-errant himself.

With his horse Rocinante and his companion Sancho Panza, he sets out to confront injustice and pursue adventures. His imagination transforms ordinary encounters: windmills become giants, and flocks can appear to be armies.

The name Alonso belongs to the everyday identity beneath the grand chosen title. That contrast makes it part of the novel’s play between ordinary life and heroic fantasy, giving Alonso a literary association that is deeper than the title alone reveals.

Shakespeare’s Alonso

In The Tempest, Alonso is king of Naples and the father of Ferdinand. He is aboard the ship caught in the storm that brings the characters to Prospero’s island.

Alonso had helped Antonio displace Prospero as duke of Milan. His arrival on the island therefore brings an old political wrong back into the present action. Meanwhile, Ferdinand falls in love with Prospero’s daughter Miranda.

The two literary Alonsos inhabit very different stories: Cervantes’s character chooses a new identity in pursuit of adventure, while Shakespeare’s king faces the consequences of an earlier exercise of power. Both connections place the name within works that continue to be read and performed.

American popularity

Alonso’s largest annual male total in the local United States SSA series was 380 boys in 2010, ranking #636. In 2025, 324 boys received the spelling, placing it at #785.

These figures show established modern American use alongside a much older Spanish name history. The three-syllable form remains distinct from Alfonso and Alonzo on the page, while sharing their broad historical family and recognizable sound.

Sources & methodologyReferences, data & attribution

Wiktionary and Wikipedia material is adapted with attribution under CC BY-SA 4.0 where applicable. American popularity figures use published Social Security Administration records for this exact spelling; counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How popular is Alonso?

In 2025, Alonso ranked #785 among boys in the United States, with 324 recorded uses. The U.S. birth records first list this spelling for boys in 1915; its largest annual count was 380 in 2010. Rankings count each spelling separately. They describe national use, so local familiarity can differ. The popularity chart shows whether the name has remained common, returned after a quieter period, or risen recently.

How common is Alonso?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 10,200
324 of 3,315,165 births
Among boys only
1 in 5,270
0.02% of boys
Rank, 2025
#785
of 13,926 boys’ names in use
Coin-flip room size
7,093 kids
Even odds of a second one

Where Alonso sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 5005%

Put another way: gather 7,093 children born in 2025 and it's an even bet that one of them is another Alonso. In a class of 30 the chance is Under 1%.

When Alonsos were born

Half of everyone ever recorded as Alonso was born before 2007 — so the typical Alonso is around 18 today.

Median birth year
2007
About 18 years old
Biggest decade
2010s
27.1% of all use
Born in the last 25 years
66.6%
A modern name
Recorded since 1950
11,988
People you could plausibly meet
Choose a decade

2010s — 27.1% of all recorded uses (3,311).

Is Alonso rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
−16
Places dropped
Rank vs 5 years ago
−1
Places dropped
Rank vs 10 years ago
−52
Places dropped
Births vs 10 years ago
0.97×
Fewer babies than then
Share of its own peak
85.3%
Peak was 2010 (380)
Years since peak
15
Years
Year-to-year steadiness
Very steady
5.8% average annual change
Best rank ever
#622
2002

Spellings of Alonso

Alonso is not the most common spelling — Alonzo is, with 34.6% against Alonso's 9.2%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Alonso is used

Across 2016–2025, Alonso was most concentrated in Arizona — about 1 in 1,887 boys, against 1 in 4,751 across all states with data. It was least common in Tennessee (1 in 100,000).

153 per 100,000

Most concentrated

  1. 1Arizona1 in 1,887
  2. 2California1 in 2,500
  3. 3Texas1 in 2,500
  4. 4Colorado1 in 3,704
  5. 5Illinois1 in 4,000
  6. 6Florida1 in 5,000
  7. 7Nevada1 in 5,000
  8. 8Kansas1 in 6,250

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings.

Geographically, Alonso is one of the more regionally concentrated names in the country — more concentrated than 95% of the names used widely enough to compare. See the most regional names

Alonso around the world

Where Alonso ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    2004–2025
    #1,897
    in 2025
  • France
    1925–2025
    #2,820
    in 2025
  • Canada
    2002–2024
    #1,698
    in 2024
  • South Australia
    2006–2013
    #754
    in 2013

Popularity data from Office for National Statistics, Institut national de la statistique et des études économiques, Statistics Canada and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence. CBS SA data under CC BY 4.0.

Notable people named Alonso

People whose public names include Alonso, backed by Wikidata given-name records and ordered by linked Wikimedia pages. The name may be a middle name.

People data from Wikidata (CC0). Fame is measured, not judged — the order reflects how widely each person is documented, not the U.S. birth records popularity this page is otherwise about.

Alonso in other languages

Cross-language forms and variants of Alonso. Linked forms have their own page here.

Variant forms from Wikidata (CC0). Most are used mainly outside the United States; U.S. birth records statistics cover US usage only.

Alonso by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
#785
Trend vs 5 yrs ago
Down 1
Best rank ever
#622
2002
Peak year
2010
380 that year
First recorded
1915
Last recorded
2025
All-time count
12,231
Count in 2025
324

Names similar to Alonso

Matched on shared beginnings and endings, similar length, and comparable popularity.

Names with a curve like Alonso

Not spelling — timing. These names rose, peaked and faded in the same years as Alonso, so they read as being from the same moment even when they look nothing alike.

Sibling names for Alonso

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Alonso