boy's name
Aizen
- Gender Boy
- Letters 5
- Popularity Uncommon
- Births on record 2,154
Aizen is a boy's name. In 2025 it was given to 199 babies in the United States. It is used consistently but remains uncommon.
- Peaked in 2024, when 223 babies were given the name.
- It has been rising over the past decade.
- Today about 1 in 16,660 babies in the United States is given this name.
- First appears in US birth records in 2007.
Aizen over time
Births per decade in the United States, 2000s 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 |
|---|---|
| 2000s | 55 |
| 2010s | 792 |
| 2020s (to 2025) | 1,087 |
How popular is Aizen?
In 2025, Aizen was given to 199 babies in the United States. It is used consistently but remains uncommon.
Where Aizen is used
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.
How Aizen is spelled
Birth registers count each spelling separately, so every one has its own ranking.
| Spelling | What it is | Births on record |
|---|---|---|
| Aïzen | Aïzen is a rare spelling of Aizen, written with a diaeresis and recorded about 20 times, mostly in France. | 20 |
Names that peaked alongside Aizen
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Aizen also like
Names whose popularity has risen and fallen in step with Aizen over the last century — the same taste, a different name.
Sibling names for Aizen
Names from the same era that won't rhyme or share an initial with Aizen — the two things that make a sibling set grate.
Common questions about Aizen
How popular is the name Aizen?
In 2025, Aizen was given to 199 babies in the United States. It is used consistently but remains uncommon.
Is Aizen a girl's or a boy's name?
Aizen is given almost entirely to boys in birth records.
When was Aizen most popular?
Aizen peaked in 2024, when 223 babies were given the name. It has been rising over the past decade.
Is Aizen a good name?
That is not something records can settle, but they can tell you what you would be choosing. Aizen currently ranks #1,081 in the United States. It has been rising over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.