Aizen
Aizen was the 1081st most popular name for boys in 2025, given to 199 babies. Its best year was 2024, when it ranked 1005th with 223 babies. Over the last ten years it has moved up 767 places. More babies were named Aizen in the 2020s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #1,081 boys, up 408 places since 2020
- Babies in 2025
- 199boys
- Girls and boys
- Almost always a boy’s name2021–2025
- Peak year
- 2024223 babies
- Total since 1880
- 1,934babies recorded
Aizen popularity since 1880
| Year | Rank (boys) | Babies (boys) |
|---|---|---|
| 2025 | #1,081 | 199 |
| 2020 | #1,489 | 114 |
| 2010 | #2,579 | 47 |
| 2000 | — | — |
| 1990 | — | — |
| 1980 | — | — |
| 1970 | — | — |
| 1960 | — | — |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Aizen, counting every spelling?
Aizen is the most common spelling of a name family that ranked #638 for boys in 2025 once every spelling is counted together, compared with #1,081 for Aizen on its own. Together these spellings went to 425 boys in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Aizen | 199 | #1,081 | 973 |
| Aycen | 50 | #2,608 | 254 |
| Aeson | 41 | #2,993 | 198 |
| Ayson | 38 | #3,135 | 190 |
| Aysen | 23 | #4,413 | 100 |
| Eizen | 23 | #4,432 | 76 |
| Ayzen | 13 | #6,489 | 55 |
| Eisen | 9 | #8,438 | 44 |
| Aison | 8 | #8,938 | 39 |
| Aysun | — | — | 30 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Aizen?
199 of the 3,606,400 babies born in the US in 2025 were named Aizen (0.06 per 1,000 births). For a boy named Aizen born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 42 (of 430 pupils) would have a child named Aizen.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Aizen?
About 1,900 people born in the US named Aizen are alive today, with a median age of 5; half are between 3 and 10. That makes Aizen a young name: most people with it are children.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Aizen by state
How common Aizen was among boys born in each state in 2021–2025. It is notably more common than nationally in Arizona (2.2×), California (1.7×). In 28 states fewer than five boys a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Aizen: their share of US boys followed the most similar curve since 1880. If you like Aizen, they share its era and feel.
Questions about the name Aizen
How popular is the name Aizen?
Aizen was the 1081st most popular name for boys in 2025, given to 199 babies. Its best year was 2024, when it ranked 1005th with 223 babies. Over the last ten years it has moved up 767 places. More babies were named Aizen in the 2020s than in any other decade.
Is Aizen a boy or girl name?
In 2021–2025, almost always a boy’s name given the name Aizen in the US.
Where is Aizen most popular?
In 2021–2025, Aizen was most common in Hawaii (0.90 per 1,000 boys), followed by Rhode Island and Arizona.