Kairos
Boy name · #1351 in 2025 · Rare
How old is the name Kairos? In official American birth records, Kairos has been tracked continuously since 2008, giving it 17 years of documented American history.
Kairos is currently the #1351 boy name in the United States — 140 babies received it in 2025. A decade ago it stood at #3775, so the name has been rising over the past ten years. Roughly one in every 12,857 boys born in 2025 was named Kairos.
The 17-year story
Kairos first appears in the Social Security records in 2008, when 6 boys received the name. Its all-time peak is essentially right now: 2025, with 140 babies and a rank of #1347. 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.
Babies named Kairos per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Kairos against up to 5 other names.
Uniqueness: will there be another Kairos in class?
On our rarity read — which blends how common Kairos is today with its five-year momentum — the name reads as "rare". A high score means genuine rarity — your Kairos will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kairos is most common
Geography matters for names, and Kairos is no exception. Adjusted for how many boys are born in each state, Kairos is most common in CA (0.1 per 1,000), FL (0.1 per 1,000), TX (0.1 per 1,000) — against a national average of about 0.1 per 1,000 boys. These are per-capita rates, so they show where Kairos is a genuine regional favorite rather than just where the most babies are born.
Names like Kairos
Statistically, parents drawn to Kairos tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Eros, Kolsen, Kallum, Helios, and Kaius.
ErosKolsenKallumHeliosKaiusWoodsKaizerKross
Rank history (last 25 years)
| Year | Babies named Kairos | Rank |
|---|---|---|
| 2025 | 140 | #1347 |
| 2024 | 106 | #1608 |
| 2023 | 77 | #1986 |
| 2022 | 75 | #2022 |
| 2021 | 48 | #2652 |
| 2020 | 63 | #2190 |
| 2019 | 35 | #3259 |
| 2018 | 40 | #2943 |
| 2017 | 29 | #3678 |
| 2016 | 15 | #5789 |
| 2015 | 28 | #3775 |
| 2014 | 24 | #4138 |
| 2013 | 16 | #5404 |
| 2012 | 16 | #5482 |
| 2011 | 7 | #9600 |
| 2010 | 5 | #12231 |
| 2009 | 9 | #8310 |
| 2008 | 6 | #11037 |
Frequently asked questions
How old is the name Kairos?
In official American birth records, the name Kairos first appeared in 2008 (over 17 years ago), when 6 newborn boys received the name. It has been tracked in modern national records for 17 years.
Is Kairos a popular boy name?
Kairos ranked #1351 among boys in 2025 with 140 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #3775.
When was the name Kairos most popular?
Kairos peaked in 2025, when 140 American boys received the name (ranked #1347 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Kairos?
In 2025, roughly 1 in 12,857 newborn American boys was named Kairos. On our rarity scale (rarity blended with momentum) we classify it as "rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.