Skip to content
boyandgirlnames

Alejo

Boy name · Spanish

Meaningdefender · Spanish form of Alexis

US rank
#4,539
Syllables
3
Peak
#1,440 in 1909

22 babies were named Alejo in the US in 2025. It has climbed 1,757 places in five years.

Blend Alejo with another name

Save adds it to your list. Vote moves it up the top voted names.

US births per million boys, 1909–2025

015.53119091920196020002025

Similar names

Popularity: U.S. Social Security Administration (babies with 5+ births per year).

Did you know?

A few things about Alejo you might not know, from US birth records and Wikipedia. Handy for convincing a partner, or a grandparent.

Alejo Véliz

Famous Alejo

Alejo Véliz

Argentine association football player

Choose Alejo and your child shares a first name with Alejo Véliz, an Argentine association football player. A ready-made answer when someone asks “Alejo, like who?” Alejo Véliz's Wikipedia article is available in 22 languages, a good sign of just how widely known they are.

Read about Alejo Véliz on Wikipedia (opens in a new tab)

Photo: BugWarp, CC BY-SA 4.0 (opens in a new tab), via Wikimedia Commons

  • How commonAbout 1 in every 77,519 baby boys born in the US in 2025 was named Alejo, 22 babies in all. In a typical school of 500 kids, your Alejo would very likely be the only one.
  • HistoryAlejo first shows up in US birth records in 1909, the first year at least 5 babies got it. It has been in use for 116 years since.
  • Best yearIt was far more popular in 1909, when it ranked #1,440. Today it's #4,539, so it could be due a comeback.
  • Then vs nowAlejo is 2.5× more common today than it was in 2000. In 2000 it was given to about 1 in 196,078 baby boys; in 2025, about 1 in 77,519.
  • TrendAlejo has climbed 1,757 places in the US rankings over the last five years and now sits at #4,539. Fast risers like this often keep climbing, so expect to hear it more.
  • MeaningAlejo is a Spanish form of Alexis, which means “defender”.

About the name Alejo

Alejo is a boy name of Spanish origin meaning “defender”. It has 5 letters and 3 syllables, starting with A and ending in “-ejo”. US birth records list Alejo for boys from 1909 to 2025, in 100 of those 117 years. Its best year was 1909, when it ranked #1,440 among boy names. In 2025 it ranked #4,539, with 22 babies.

Origin:Spanish names

Alejo for boys, by decade
DecadeBabies per millionAbout 1 in
1900s3132,787 boys
1910s1.7574,713 boys
1920s4.5219,780 boys
1930s4.0248,139 boys
1940s4.0247,525 boys
1950s3.2312,500 boys
1960s3.5289,855 boys
1970s4.4225,734 boys
1980s5.3188,324 boys
1990s5.7176,367 boys
2000s6.3159,490 boys
2010s5.7174,520 boys
2020s8.4119,048 boys

More Spanish boy names

Questions about the name Alejo

What does the name Alejo mean?

Alejo means “defender” in Spanish, as a form of Alexis.

What is the origin of the name Alejo?

Alejo has Spanish roots in our records. Other Spanish names include Mateo, Elias, Santiago.

Is Alejo a boy or girl name?

Alejo is a boy name.

How popular is the name Alejo?

Alejo ranked #4,539 for US boys in 2025, given to 22 babies. Its best year was 1909 (#1,440).