Kosmos
A masculine name of Greek origin symbolizing the universe or cosmos.
Name Census estimates that about 5 living Americans carry the first name Kosmos. The name is used almost exclusively for boys. The average person named Kosmos today is around 9 years old, and the year with the single highest number of Kosmos births was 2017 (5 babies).
This page is the full Name Census profile for Kosmos. 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.
Key insights
- • Fewer than 100 living Americans are believed to carry the name Kosmos. It is among the rarest names in the SSA records.
People living today
5
~ 1 in 68,550,868 Americans
Peak year
2017
5 babies that year
Average age
9
years old
2017 SSA rank
#13,390
Tracked since 2017
Popularity
Kosmos: popularity over time
Babies born per year
Decades
Kosmos 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 Kosmos during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
| Decade | Male | Female | Total |
|---|---|---|---|
| 2010s | 5 | 0 | 5 |
Origin
Meaning and history of Kosmos
The name Kosmos has its origins in the ancient Greek language, derived from the word "kosmos," which means "order," "harmony," or "the world." It is believed to have been used as a given name since ancient times, when the Greeks revered the concept of cosmic order and the universe's harmonious workings.
In Greek mythology, Kosmos was personified as a deity representing the ordered universe. The name was often associated with philosophical and cosmological ideas, reflecting the ancient Greeks' fascination with understanding the natural world and its underlying principles.
One of the earliest recorded instances of the name Kosmos can be found in the writings of the ancient Greek philosopher Pythagoras, who lived in the 6th century BCE. Pythagoras and his followers believed in the concept of "kosmos," which they saw as a harmonious and well-ordered universe governed by mathematical principles.
Another notable figure with the name Kosmos was a Greek astronomer and mathematician who lived in the 2nd century BCE. He is known for his work on calculating the sizes and distances of the Sun, Moon, and planets, contributing significantly to the development of ancient astronomy.
During the Byzantine era, the name Kosmos was occasionally used among the Greek-speaking populations of the Byzantine Empire. One notable example is Kosmos the Monk, a 9th-century Byzantine scholar and theologian who wrote extensively on astronomy and other scientific topics.
In the Renaissance period, the name Kosmos experienced a resurgence in popularity, particularly among humanist scholars and intellectuals inspired by the rediscovery of ancient Greek philosophy and cosmology. One such figure was Kosmos Guidi, an Italian humanist and philosopher who lived in the 15th century and wrote on various topics, including physics and metaphysics.
Another notable bearer of the name Kosmos was Kosmos Indicopleustes, a 6th-century Greek merchant and traveler who wrote a detailed account of his voyages to India, providing valuable insights into the trade routes and cultures of the time.
Throughout history, the name Kosmos has been associated with a sense of order, harmony, and the exploration of the natural world and the universe. Its Greek origins and philosophical connotations have made it a distinctive and meaningful name choice for those drawn to the study of the cosmos and the pursuit of knowledge.
People
Kosmos + last name combinations
How many people share a full name with Kosmos 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
Kosmos: questions and answers
How many people in the U.S. are named Kosmos?
Name Census puts the figure at roughly 5 living Americans. We arrive at this by taking every SSA birth registration for Kosmos 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 68,550,868 US residents.
Is Kosmos a common name?
We classify Kosmos as "Very Rare". It ranks above 18.2% of all first names in the SSA dataset by living bearers. Across the full history of the data, 5 babies have been registered with this name.
When was Kosmos most popular?
The single biggest year for Kosmos was 2017, when 5 babies received the name. The fact that the average living Kosmos is about 9 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 Kosmos in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Kosmos a male name?
Yes, 100.0% of people registered as Kosmos 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 Kosmos still being used today?
Yes. The SSA still recorded Kosmos 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 Kosmos 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 Kosmos as a first name?
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.