Kaior
Boy name · #4048 in 2025 · Very rare
How old is the name Kaior? In official American birth records, Kaior has been tracked continuously since 2022, giving it 3 years of documented American history.
In 2025, 27 baby boys were named Kaior, placing it at #4048 in the official national rankings. It has appeared in the national data since 2022. Roughly one in every 66,667 boys born in 2025 was named Kaior.
Babies named Kaior per year. Source: Official national birth records.
The 3-year story
Kaior first appears in the Social Security records in 2022, when 5 boys received the name. Its all-time peak is essentially right now: 2024, with 31 babies and a rank of #3605. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Unlock the 5-year forecast and compare Kaior against up to 5 other names.
Uniqueness: will there be another Kaior in class?
On our rarity read — which blends how common Kaior is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Kaior will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kaior is most common
State-level data for Kaior is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Kaior
Statistically, parents drawn to Kaior tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Kior, Elior, Kyzeir, Kyriq, and Kymeir.
KiorEliorKyzeirKyriqKymeirKasyeKysirKhosen
Rank history (last 25 years)
| Year | Babies named Kaior | Rank |
|---|---|---|
| 2025 | 27 | #3949 |
| 2024 | 31 | #3605 |
| 2023 | 6 | #10821 |
| 2022 | 5 | #12330 |
Frequently asked questions
How old is the name Kaior?
In official American birth records, the name Kaior first appeared in 2022 (over 3 years ago), when 5 newborn boys received the name. It has been tracked in modern national records for 3 years.
Is Kaior a popular boy name?
Kaior ranked #4048 among boys in 2025 with 27 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked outside the reported range.
When was the name Kaior most popular?
Kaior peaked in 2024, when 31 American boys received the name (ranked #3605 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Kaior?
In 2025, roughly 1 in 66,667 newborn American boys was named Kaior. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.