Kyzen
A masculine name of Japanese origin representing a quiet or tranquil essence.
Name Census estimates that about 517 living Americans carry the first name Kyzen. The name is used almost exclusively for boys. The average person named Kyzen today is around 5 years old, and the year with the single highest number of Kyzen births was 2024 (121 babies).
This page is the full Name Census profile for Kyzen. 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.
People living today
517
~ 1 in 662,968 Americans
Peak year
2024
121 babies that year
Average age
5
years old
2024 SSA rank
#1,489
Tracked since 2006
Popularity
Kyzen: popularity over time
The SSA tracks Kyzen 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 373 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
Kyzen 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 Kyzen during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Geography
Where Kyzens live
The SSA's state-level files cover 14 states and territories. Texas, Alabama, Georgia recorded the most babies named Kyzen, while Virginia, Utah, South Carolina recorded the fewest. The average across all reporting states is about 12 registrations each.
Origin
Meaning and history of Kyzen
The name Kyzen has its roots in the ancient Japanese language and culture, dating back to the early 8th century. The name is believed to be derived from the Old Japanese word "kyōgen," which means "refined" or "elegant." This suggests that the name was originally associated with individuals of high social standing or those possessing refined manners and grace.
One of the earliest recorded instances of the name Kyzen can be found in the Kojiki, an ancient Japanese chronicle that details the mythology and early history of Japan. In this text, Kyzen is mentioned as the name of a noble warrior who served under the legendary Emperor Jimmu, the first emperor of Japan, who is said to have reigned from 660 BC to 585 BC.
Throughout the centuries, the name Kyzen has been borne by several notable figures in Japanese history. One such individual was Kyzen Hōshi, a renowned Buddhist monk and poet who lived during the Kamakura period (1185-1333 AD). Hōshi's poetic works were widely celebrated for their elegant and refined style, reflecting the essence of the name Kyzen.
Another prominent figure bearing the name Kyzen was Kyzen Nobunaga, a powerful daimyo (feudal lord) who played a crucial role in the unification of Japan during the Sengoku period (1467-1615 AD). Nobunaga, born in 1534 and died in 1582, was known for his strategic military prowess and his patronage of the arts and culture.
In the realm of samurai warriors, Kyzen Musashi, born in 1584 and died in 1645, stands out as one of the most renowned swordsmen in Japanese history. Musashi, the author of the famous treatise "The Book of Five Rings," was renowned for his mastery of the sword and his philosophical insights into the way of the warrior.
During the Edo period (1603-1868 AD), the name Kyzen was also borne by Kyzen Tokugawa, a member of the powerful Tokugawa shogunate family that ruled Japan for over 260 years. Tokugawa, born in 1716 and died in 1786, was a skilled administrator and patron of the arts, contributing to the cultural flourishing of the Edo period.
These are but a few examples of the historical figures who have carried the name Kyzen throughout the centuries, each leaving an indelible mark on Japanese history and culture. The name's enduring presence reflects its deep roots in the Japanese tradition and its association with refinement, elegance, and nobility.
People
Kyzen + last name combinations
How many people share a full name with Kyzen 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
Kyzen: questions and answers
How many people in the U.S. are named Kyzen?
Name Census puts the figure at roughly 517 living Americans. We arrive at this by taking every SSA birth registration for Kyzen 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 662,968 US residents.
Is Kyzen a common name?
We classify Kyzen as "Very Rare". It ranks above 84.9% of all first names in the SSA dataset by living bearers. Across the full history of the data, 520 babies have been registered with this name.
When was Kyzen most popular?
The single biggest year for Kyzen was 2024, when 121 babies received the name. The fact that the average living Kyzen is about 5 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 Kyzen in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Kyzen a male name?
Yes, 100.0% of people registered as Kyzen 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 Kyzen still being used today?
Yes. The SSA still recorded Kyzen 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 Kyzen 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 have the name Kyzen?
If you just want to know how many people share the name Kyzen, HowManyOfMe.org gives you the headline number in one glance.