Kaion
A Japanese name meaning "ocean" or "sea".
Name Census estimates that about 164 living Americans carry the first name Kaion. The name is used almost exclusively for boys. The average person named Kaion today is around 8 years old, and the year with the single highest number of Kaion births was 2022 (26 babies).
This page is the full Name Census profile for Kaion. Below you will find a gender breakdown showing how the name splits between male and female registrations, a year-by-year popularity chart stretching back to 1880, decade-level totals, the top US states for this name, its meaning and etymology, and a set of frequently asked questions with data-backed answers.
For a British comparison, Name Census UK has a UK baby-name profile for Kaion with official rankings and popularity over time.
People living today
164
~ 1 in 2,089,965 Americans
Peak year
2022
26 babies that year
Average age
8
years old
2024 SSA rank
#7,013
Tracked since 2002
Popularity
Kaion: popularity over time
The SSA tracks Kaion from the 2000s through to the 2020s, spanning 3 decades of birth certificate data. The biggest single decade for the name was the 2020s, with 82 total registrations. The name continues to be given at rates close to its all-time high, suggesting it has not yet fallen out of fashion.
Babies born per year
Decades
Kaion by decade
The table below breaks the full SSA timeline into ten-year windows. Each row shows how many male and female babies were given the name Kaion during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Origin
Meaning and history of Kaion
The name Kaion has its roots in ancient Greek culture, tracing back to the 5th century BCE. It is derived from the Greek word "kainos," which means "new" or "fresh." This name was often given to children born during the spring season, symbolizing the renewal of life and nature.
One of the earliest recorded instances of the name Kaion can be found in Plato's dialogues, where he mentions a philosopher by that name. However, little is known about this historical figure beyond the reference in Plato's writings.
In the 3rd century BCE, there was a Greek sculptor named Kaion who was renowned for his intricate marble carvings. His most famous work was a statue of the goddess Athena, which was commissioned for the city of Pergamon.
During the Byzantine era, a monk named Kaion lived in the 6th century CE. He was known for his ascetic lifestyle and his devotion to the Christian faith. Several accounts of his life and teachings were recorded in monastic chronicles of that time.
In the 12th century, a renowned physician named Kaion lived in the city of Antioch, which was part of the Byzantine Empire. He was celebrated for his medical treatises on various ailments and his innovative approaches to healing.
In more recent times, a notable figure with the name Kaion was a Greek poet who lived in the 19th century. Kaion Alexandrou was born in 1850 and gained recognition for his lyrical works that celebrated the beauty of the Greek landscape and cultural traditions.
While the name Kaion has ancient Greek origins, it has been adopted and adapted in various cultures throughout history. However, its usage has remained relatively rare, and it is not a common name in modern times. The name carries a sense of freshness and new beginnings, reflecting its etymological roots.
People
Kaion + last name combinations
How many people share a full name with Kaion as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with K
Other first names starting with K with a similar number of bearers.
FAQ
Kaion: questions and answers
How many people in the U.S. are named Kaion?
Name Census puts the figure at roughly 164 living Americans. We arrive at this by taking every SSA birth registration for Kaion going back to 1880 and adjusting each cohort for expected survival using CDC actuarial life tables. The result is an age-weighted living-bearer count, not a raw birth total. That works out to about 1 in 2,089,965 US residents.
Is Kaion a common name?
We classify Kaion as "Very Rare". It ranks above 71.5% of all first names in the SSA dataset by living bearers. Across the full history of the data, 165 babies have been registered with this name.
When was Kaion most popular?
The single biggest year for Kaion was 2022, when 26 babies received the name. The fact that the average living Kaion is about 8 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
What does the SSA popularity chart show?
The chart tracks births, not the number of people alive with the name today. Each point shows how many babies were given the name Kaion in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Kaion a male name?
Yes, 100.0% of people registered as Kaion in the SSA data are male. You can see the full per-sex comparison in the gender distribution section above, which includes the latest year rank, birth count, and peak year for each sex.
Is Kaion still being used today?
Yes. The SSA still recorded Kaion in 2024, and the page above shows its latest-year rank where available. A name can be well past its peak and still remain in steady use, especially if it built up a large population over earlier decades.
Why can a name have a lot of living bearers even if it is not trendy now?
Because living-bearer counts and current baby-name popularity measure different things. A name like Kaion can build up a very large population over many decades, even if fewer parents are choosing it now than they did at its peak.
Where does this data come from?
First-name figures come from the Social Security Administration's national baby name files, which cover every name on a birth certificate from 1880 to 2024. Living-bearer estimates layer in CDC actuarial life tables broken out by sex to account for mortality. The population baseline (342,754,338) is the Census Bureau's latest national estimate. You can read the full calculation on our methodology page.
Does every first name have Census demographic data?
No. The public Census first-name release only covers names that met the Bureau's publication rules, so many rarer names in the SSA files do not have a published Census demographic snapshot. In those cases, the page still shows the SSA trend, gender history, and state data.
How many people are called Kaion?
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.