Aizen
How to say it: AY-zen · /ˈeɪzən/
From Japanese ai-zen with meanings like 'love-good' - modern use boosted by anime character Sosuke Aizen.
Aizen was the 974th most popular boys’ name in the United States in 2025, given to 199 babies (Social Security Administration). The 2020s are its busiest decade so far, its births are up 2.4-fold in ten years, and it is projected to rise to #668 by 2030.
Updated · SSA 2025 data, published May 2026 · How we compute these figures
Key facts
| Rank among boys’ names, 2025 | #974 |
|---|---|
| Babies born in 2025 | 199 |
| Share of births | 1 in 16,660 |
| Peak decade | 2020s |
| Change over 10 years | ×2.4 |
| Projected rank for 2030 (estimate) | #668 |
Sources: Social Security Administration (SSA). How we compute these figures.
Its life, decade by decade
Almost entirely a recent creation, Aizen has gathered its use in current years. Now at its high in the 2020s, it looks set to keep climbing.
What goes with it
Soft and breathy with a creative spark, said AY zen in two light beats. Zen as a short form feels natural, and Kenzo shares its modern edge.
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Aizen is about under 1 in 200.
Around the world
This spelling is used in English, Japanese.
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