Afonso

Boys' name

Noble + ready, through *𐌰𐌸𐌰𐌻𐌰𐍆𐌿𐌽𐍃

Afonso has been given to 10 babies in the U.S. since 2006. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 2006, with 5 recorded.

Babies named Afonso, 2019

1 in 694,000

Afonso over time, 1880–2025

Boys

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Afonso: meaning, origin, and history

Noble + ready, through *𐌰𐌸𐌰𐌻𐌰𐍆𐌿𐌽𐍃

Deeper origin not confirmed in the cited records

What Afonso means

Afonso belongs to the name family reached through Afonso → *𐌰𐌸𐌰𐌻𐌰𐍆𐌿𐌽𐍃. Its meaning is “noble + ready”.

Origin, language, and formation

Afonso is used in Portuguese.

Afonso comes through Old Galician-Portuguese Afonso, la-eme Adephonsus and Gothic *𐌰𐌸𐌰𐌻𐌰𐍆𐌿𐌽𐍃.

Related names and everyday forms

Related names include Alfonso and *𐌰𐌸𐌰𐌻𐌰𐍆𐌿𐌽𐍃.

Pronunciation and spelling

In Portuguese, Afonso is pronounced /aˈfõ.su/.

American usage and historical context

In the United States, 10 boys were recorded with the name Afonso between 2006 and 2019. Its highest annual count was 5 in 2006; its best national rank was #12,088 in 2006.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

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 common is Afonso?

Afonso had fewer than 5 recorded uses in 2025, so these figures use 2019, the last year it was published.

Among all babies, 2019: 1 in 694,000; 5 of 3,472,229 births
Among boys only: 1 in 359,000; <0.01% of boys
Rank, 2019: Unranked; Fewer than 5 uses
Coin-flip room size: 481,354 kids; Even odds of a second one

Where Afonso 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 2019 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 500Under 1%

Put another way: gather 481,354 children born in 2019 and it's an even bet that one of them is another Afonso. In a class of 30 the chance is Under 1%.

When Afonsos were born

Half of everyone ever recorded as Afonso was born before 2006 — so the typical Afonso is around 19 today.

Median birth year: 2006; About 19 years old
Biggest decade: 2000s; 50.0% of all use
Born in the last 25 years: 100.0%; A modern name
Recorded since 1950: 10; People you could plausibly meet

Choose a decade

2000s — 50.0% of all recorded uses (5).

Is Afonso 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: —; Not ranked then
Rank vs 5 years ago: New entry; Not ranked then
Rank vs 10 years ago: —; Not ranked then
Births vs 10 years ago: —; Not published both years
Share of its own peak: 0%; Peak was 2006 (5)
Years since peak: 19; Years
Year-to-year steadiness: Not enough data; Too few years
Best rank ever: #12,088; 2006

Spellings of Afonso

Afonso is not the most common spelling — Alonzo is, with 43.0% against Afonso's <0.01%.

Alonzo43.0%45,955
Alfonso38.8%41,464
Alonso11.4%12,231
Alfonzo5.4%5,783
Alfonse1.3%1,392
Afonso<0.01%10

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.

Afonso around the world

Where Afonso 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
#2,014
in 2025
Ireland
2019–2023
#660
in 2023
France
1970–2025
#1,652
in 2025
Canada
2018–2018
#2,905
in 2018

Popularity data from Office for National Statistics, Central Statistics Office, Institut national de la statistique et des études économiques and Statistics Canada. ONS data under Open Government Licence v3.0. CSO data under CC BY 4.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence.

Afonso by the numbers

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

As a boy's name

Rank in 2025: Unranked
Trend vs 5 yrs ago: —
Best rank ever: #12,088; 2006
Peak year: 2006; 5 that year
First recorded: 2006
Last recorded: 2019
All-time count: 10
Count in 2025: Under 5

Names similar to Afonso

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

Lionso Afolabi Alanso Kenso Alfanso Laphonso Enso Renso Chinonso Idelfonso Chukwunonso Lorenso Victoralfonso Alonso Ildefonso Alphonso Alfonso

Sibling names for Afonso

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

For a sister

Taniya Melia Jazmyne Jayna Nyasia Tayla Lanie Estefany

For a brother

Paulo Yair Lavon Tye Deshaun Oswaldo Nathen Britton

Explore around Afonso

Top names of 2006, Afonso's peak year The 2000s in full Other names that peaked in 2006 Boys' names starting with A Portuguese Boy Names