Kairos
An ancient Greek concept of opportune and decisive moment.
Name Census estimates that about 619 living Americans carry the first name Kairos. It is a predominantly male name (95.7% of registrations). The average person named Kairos today is around 6 years old, and the year with the single highest number of Kairos births was 2024 (116 babies).
This page is the full Name Census profile for Kairos. 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 Kairos with official rankings and popularity over time.
People living today
619
~ 1 in 553,723 Americans
Peak year
2024
116 babies that year
Average age
6
years old
2024 SSA rank
#1,630
Tracked since 2008
Gender
Gender distribution for Kairos
Kairos leans heavily male at 95.7% of total registrations, but 27 girls have also been registered with the name over the years, giving it a small but present crossover presence.
Kairos as a male name
- Ranked #1,630 in 2024
- 104 male births in 2024
- Peak: 2024 (104 births)
Kairos as a female name
- Ranked #8,657 in 2024
- 12 female births in 2024
- Peak: 2024 (12 births)
Popularity
Kairos: popularity over time
The SSA tracks Kairos 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 385 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
Kairos 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 Kairos during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Geography
Where Kairos' live
The SSA's state-level files cover 11 states and territories. California, Florida, Texas recorded the most babies named Kairos, while Missouri, Illinois, Georgia recorded the fewest. The average across all reporting states is about 17 registrations each.
Origin
Meaning and history of Kairos
The name Kairos originates from the ancient Greek language and culture, with its roots dating back to the 5th century BCE. It is derived from the Greek word "καιρός" (kairos), which means "the right or opportune moment" or "a favorable time."
In ancient Greek philosophy, Kairos was personified as the god of opportunity, associated with the concept of seizing the right moment for action. This idea was prominent in the works of philosophers such as Aristotle and the Stoics, who emphasized the importance of recognizing and acting upon opportune moments.
The name Kairos appears in various ancient Greek texts and literary works, including Pindar's odes and the writings of the philosopher Isocrates. It was also closely related to the concept of "chronos," which referred to chronological or sequential time, in contrast to the opportune and qualitative nature of Kairos.
One of the earliest recorded individuals with the name Kairos was a Greek sculptor from the 4th century BCE, whose works were praised for their ability to capture the essence of opportune moments in stone. Another notable figure was Kairos of Lindos, a Greek historian from the 3rd century BCE, who wrote about the history of his native island of Rhodes.
In the 2nd century CE, the Greek writer Lucian of Samosata personified Kairos as a figure with a long forelock of hair hanging over his face, representing the need to seize opportunities when they present themselves. This personification became a common motif in Greek and Roman art and literature.
During the Byzantine era, Kairos was adopted as a given name among Christian communities, often associated with the idea of seizing opportunities for spiritual growth and understanding. One notable figure from this period was Kairos of Alexandria, a 6th-century monk and theologian known for his writings on the contemplative life.
In the Renaissance period, the concept of Kairos regained prominence in the works of humanist scholars and artists, who drew inspiration from classical Greek ideals. The name was occasionally used by artists and philosophers during this time, such as the Italian painter Kairos Caravaggio (1571-1610), renowned for his masterful use of chiaroscuro.
Throughout history, the name Kairos has been associated with the idea of recognizing and seizing opportune moments, whether in philosophy, art, literature, or spiritual pursuits. Its enduring presence serves as a reminder of the timeless wisdom found in the ancient Greek concept of Kairos.
People
Kairos + last name combinations
How many people share a full name with Kairos 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
Kairos: questions and answers
How many people in the U.S. are named Kairos?
Name Census puts the figure at roughly 619 living Americans. We arrive at this by taking every SSA birth registration for Kairos 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 553,723 US residents.
Is Kairos a common name?
We classify Kairos as "Very Rare". It ranks above 86.5% of all first names in the SSA dataset by living bearers. Across the full history of the data, 623 babies have been registered with this name.
When was Kairos most popular?
The single biggest year for Kairos was 2024, when 116 babies received the name. The fact that the average living Kairos is about 6 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 Kairos in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Kairos a male name?
Yes, 95.7% of people registered as Kairos 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 Kairos still being used today?
Yes. The SSA still recorded Kairos 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 Kairos 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 common is the name Kairos?
See how many people share the name Kairos on HowManyOfMe.org, our sister site built around that single question.