Kaiyzen
Boys' nameMeaning not yet documented
Kaiyzen has been given to 87 babies in the U.S. since 2022. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 2022, with 67 recorded.
Babies named Kaiyzen, 2023
1 in 166,000
Kaiyzen over time, 1880–2025
Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
How common is Kaiyzen?
Kaiyzen had fewer than 5 recorded uses in 2025, so these figures use 2023, the last year it was published.
- Among all babies, 2023
- 1 in 166,000
- 20 of 3,314,783 births
- Among boys only
- 1 in 85,500
- <0.01% of boys
- Rank, 2023
- Unranked
- Fewer than 5 uses
- Coin-flip room size
- 114,883 kids
- Even odds of a second one
Where Kaiyzen sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 2023 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 114,883 children born in 2023 and it's an even bet that one of them is another Kaiyzen. In a class of 30 the chance is Under 1%.
When Kaiyzens were born
Half of everyone ever recorded as Kaiyzen was born before 2022 — so the typical Kaiyzen is around 3 today.
- Biggest decade
- 2020s
- 100.0% of all use
- Born in the last 25 years
- 100.0%
- A modern name
- Recorded since 1950
- 87
- People you could plausibly meet
2020s — 100.0% of all recorded uses (87).
Is Kaiyzen rising or falling?
Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.
- Rank vs 1 year ago
- —
- Not ranked then
- Rank vs 5 years ago
- New entry
- Not ranked then
- Rank vs 10 years ago
- —
- Not ranked then
- Births vs 10 years ago
- —
- Not published both years
- Share of its own peak
- 0%
- Peak was 2022 (67)
- Years since peak
- 3
- Years
- Year-to-year steadiness
- Not enough data
- Too few years
Spellings of Kaiyzen
Kaiyzen is not the most common spelling — Kayden is, with 49.5% against Kaiyzen's 0.06%.
Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.
Where Kaiyzen is used
Across 1910–2025, Kaiyzen was most concentrated in Georgia — about 1 in — boys, against 1 in 1,206,946 across all states with data. It was least common in Texas (1 in —).
Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Kaiyzen has too little recent state data to map, so this covers all years from 1910.
Kaiyzen around the world
Where Kaiyzen ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.
- England & Wales2022–2022#4,790in 2022
- Canada2022–2022#2,147in 2022
Popularity data from Office for National Statistics and Statistics Canada. ONS data under Open Government Licence v3.0. StatCan data under Statistics Canada Open Licence.
Kaiyzen by the numbers
The raw record for each sex the name is used for.
Names similar to Kaiyzen
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Kaiyzen
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.