boy's name
Alejo
- Origin Spanish
- Gender Boy
- Syllables 3
- Letters 5
- Popularity Uncommon
- Births on record 904
Alejo is a boy's name with 3 syllables. In 2025 it was given to 22 babies in the United States. It is used consistently but remains uncommon.
- Alejo is a name of Spanish origin.
- Peaked in 2025, when 22 babies were given the name.
- Its usage has held steady over the past decade.
- Today about 1 in 150,716 babies in the United States is given this name.
- First appears in US birth records in 1909.
- 3 syllables, with the stress on syllable 2.
Alejo over time
Births per decade in the United States, 1900s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 1900s | 5 |
| 1910s | 16 |
| 1920s | 50 |
| 1930s | 43 |
| 1940s | 58 |
| 1950s | 65 |
| 1960s | 66 |
| 1970s | 73 |
| 1980s | 98 |
| 1990s | 110 |
| 2000s | 125 |
| 2010s | 108 |
| 2020s (to 2025) | 87 |
How popular is Alejo?
In 2025, Alejo was given to 22 babies in the United States. It is used consistently but remains uncommon.
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
Names that peaked alongside Alejo
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Alejo also like
Names whose popularity has risen and fallen in step with Alejo over the last century — the same taste, a different name.
Sibling names for Alejo
Names from the same era that won't rhyme or share an initial with Alejo — the two things that make a sibling set grate.
Common questions about Alejo
How popular is the name Alejo?
In 2025, Alejo was given to 22 babies in the United States. It is used consistently but remains uncommon.
Is Alejo a girl's or a boy's name?
Alejo is given almost entirely to boys in birth records.
How many syllables are in Alejo?
Alejo has 3 syllables.
When was Alejo most popular?
Alejo peaked in 2025, when 22 babies were given the name. Its usage has held steady over the past decade.
Is Alejo a good name?
That is not something records can settle, but they can tell you what you would be choosing. Alejo currently ranks #4,616 in the United States. Its usage has held steady over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.