Kaisyn
An invented name of uncertain meaning, potentially inspired by the name Cason.
Name Census estimates that about 990 living Americans carry the first name Kaisyn. It appears on both sides of the gender split, with 77.6% of registrations being male. The average person named Kaisyn today is around 7 years old, and the year with the single highest number of Kaisyn births was 2022 (116 babies).
This page is the full Name Census profile for Kaisyn. 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
990
~ 1 in 346,217 Americans
Peak year
2022
116 babies that year
Average age
7
years old
2024 SSA rank
#1,599
Tracked since 2009
Gender
Gender distribution for Kaisyn
Kaisyn is one of the more evenly split names in the SSA data. Of the 997 total registrations, 774 (77.6%) were male and 223 (22.4%) were female.
Kaisyn as a male name
- Ranked #1,599 in 2024
- 107 male births in 2024
- Peak: 2024 (107 births)
Kaisyn as a female name
- Ranked #16,351 in 2024
- 5 female births in 2024
- Peak: 2022 (23 births)
Popularity
Kaisyn: popularity over time
The SSA tracks Kaisyn 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 526 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
Kaisyn 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 Kaisyn during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Geography
Where Kaisyns live
The SSA's state-level files cover 17 states and territories. Texas, Louisiana, Ohio recorded the most babies named Kaisyn, while South Carolina, Pennsylvania, Mississippi recorded the fewest. The average across all reporting states is about 15 registrations each.
Origin
Meaning and history of Kaisyn
The name Kaisyn has its origins in ancient Germanic languages, tracing back to the 5th century CE. It is derived from the Proto-Germanic root "kais," meaning "small" or "little," and the suffix "-yn," which denotes endearment or diminutive form. The name was initially used as a term of affection for a young child or a beloved person of small stature.
In the early medieval period, the name gained popularity among Germanic tribes such as the Franks and the Saxons. It appears in several ancient manuscripts and historical records from this era, often referring to minor nobility or commoners. One of the earliest recorded instances of the name can be found in the Frankish chronicles of the 6th century, where a nobleman named Kaisyn is mentioned as a trusted advisor to King Clovis I.
As the name spread across Europe, it underwent various spelling variations, including Kaysyn, Kaisin, and Keysin, reflecting the linguistic adaptations of different regions. In the 9th century, an English monk named Kaisyn is noted for his contributions to the translation of religious texts from Latin to Old English.
During the Renaissance period, the name experienced a resurgence in popularity, particularly in the Netherlands and Germany. One notable figure bearing this name was Kaisyn van Delft, a Dutch painter born in 1520, known for his intricate still-life compositions and mastery of chiaroscuro.
In the 17th century, a German philosopher named Kaisyn Leibniz (1646-1716) gained widespread recognition for his groundbreaking work in mathematics, logic, and metaphysics. His influential writings on the principles of calculus and the concept of monads earned him a place among the greatest thinkers of the Age of Enlightenment.
Another significant individual with this name was Kaisyn Müller (1825-1907), a German archaeologist and historian who made significant contributions to the study of ancient Greek and Roman civilizations. His extensive excavations and publications shed light on the material culture and daily life of these influential societies.
In more recent times, the name Kaisyn has been less commonly used, but it continues to carry a rich historical legacy, reflecting its Germanic roots and enduring presence across various cultures over the centuries.
People
Kaisyn + last name combinations
How many people share a full name with Kaisyn 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
Kaisyn: questions and answers
How many people in the U.S. are named Kaisyn?
Name Census puts the figure at roughly 990 living Americans. We arrive at this by taking every SSA birth registration for Kaisyn 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 346,217 US residents.
Is Kaisyn a common name?
We classify Kaisyn as "Very Rare". It ranks above 90% of all first names in the SSA dataset by living bearers. Across the full history of the data, 997 babies have been registered with this name.
When was Kaisyn most popular?
The single biggest year for Kaisyn was 2022, when 116 babies received the name. The fact that the average living Kaisyn is about 7 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
Is Kaisyn a male name?
Yes, 77.6% of people registered as Kaisyn 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.
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.