MallowbyNames

Alonso

ah-LON-soh · Ready for battle or noble and prepared.

2025 rank (boys)
#785
Babies named in 2025
324
Peak popularity
2010
2025 frequency
1 in 5,272 boys
Usually for
Boys
Trend
Rising since 1985

Rising since 1985, #785 for boys today.

Popularity of Alonso since 1915

Babies named Alonso per year in U.S. Social Security records.

127253380192019602000Most births 2010Boys
Data table (by decade)
DecadeBoys
1910s31
1920s66
1930s72
1940s74
1950s146
1960s236
1970s457
1980s836
1990s1,883
2000s3,225
2010s3,311
2020s1,894

Meaning & origin

Alonso is a Spanish name with Visigothic roots, meaning 'noble and ready.' It first appeared on U.S. baby name charts in 1915 and has been steadily climbing since the mid-1980s. In 2025, the name ranked 785th, with about 1 in 5,272 boys receiving it. Its peak popularity occurred in 2010. Top states for Alonso include Arizona, California, and Nevada, reflecting its appeal among Spanish-speaking communities. With a strong, classic sound and royal connections, Alonso offers a dignified choice that has grown in favor for decades.

Alonso is the Spanish form of the Germanic name Alfonso, which derives from the Visigothic elements 'adal' meaning noble and 'funs' meaning ready. It was borne by several Spanish kings and saints, and remains a classic name throughout the Spanish-speaking world.

Where Alonso is most popular

Births per 100,000 boys by state. Press play or drag the slider to watch it move across the decades. The lightest shade means too few recorded births.

2020s
Fewermore per 100k boystoo few births

Alonso” around the world

Where Alonso lands in the latest official birth statistics abroad, matched to the U.S. spelling.

  • France

    15

    babies in 2024

Sources: INSEE (France).

Nicknames & variants

Nicknames: Al, Lonzo

Variants: Alfonso, Alphonse, Alonzo

Sibling names for Alonso

Names that share Alonso's style, for a brother or sister.

Names like Alonso

Names whose popularity has moved with Alonso's over the last 50 years.

A parent animal hugging its little one, the personalized name page

A is for Alonso, our favorite little boy.

A is for Alonso…”

In a Mallowby alphabet book, Alonso's letter becomes Alonso's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Alonso's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Alonso mean?
Alonso means 'ready for battle' or 'noble and prepared', derived from the Germanic elements 'adal' (noble) and 'funs' (ready).
How popular is Alonso currently?
As of 2025, Alonso ranked 785th in the United States, with approximately 1 in every 5,272 newborn boys given the name. Its popularity has been rising since the 1980s, with a peak in 2010.
Is Alonso a boy's name or a girl's name?
Alonso is used almost exclusively as a masculine name.