Kaiori
A Japanese name with obscure origins meaning melody of the ocean.
Name Census estimates that about 59 living Americans carry the first name Kaiori. It is a predominantly female name (91.5% of registrations). The average person named Kaiori today is around 3 years old, and the year with the single highest number of Kaiori births was 2023 (17 babies).
This page is the full Name Census profile for Kaiori. 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 Kaiori. It is among the rarest names in the SSA records.
People living today
59
~ 1 in 5,809,396 Americans
Peak year
2023
17 babies that year
Average age
3
years old
2023 SSA rank
#7,384
Tracked since 2021
Gender
Gender distribution for Kaiori
Kaiori leans heavily female at 91.5% of total registrations, but 5 boys have also been registered with the name over the years, giving it a small but present crossover presence.
Kaiori as a male name
- Ranked #13,165 in 2023
- 5 male births in 2023
- Peak: 2023 (5 births)
Kaiori as a female name
- Ranked #7,384 in 2024
- 15 female births in 2024
- Peak: 2021 (15 births)
Popularity
Kaiori: popularity over time
Babies born per year
Decades
Kaiori 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 Kaiori during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
| Decade | Male | Female | Total |
|---|---|---|---|
| 2020s | 5 | 54 | 59 |
Geography
Where Kaioris live
Origin
Meaning and history of Kaiori
The name Kaiori is believed to have originated from the indigenous Tupi language spoken by the Tupi people, who inhabited the coastal regions of present-day Brazil. The name's roots can be traced back to the early 16th century, during the initial period of European exploration and colonization of the region.
Kaiori is thought to be a combination of two Tupi words: "ka'a," meaning "forest" or "bush," and "ori," meaning "dweller" or "inhabitant." Therefore, the name Kaiori could be interpreted as "one who dwells in the forest" or "forest dweller." This name likely reflected the close connection between the Tupi people and the lush, verdant rainforests that covered much of their traditional lands.
While there are no known historical records or ancient texts explicitly mentioning the name Kaiori, its linguistic origins and cultural significance suggest it was likely used by the Tupi people before the arrival of European explorers and colonists.
One of the earliest recorded individuals with the name Kaiori was a Tupi chief who lived in the late 16th century. He is mentioned in the writings of Portuguese explorer and chronicler Gabriel Soares de Sousa, who documented his encounters with the Tupi people in the region now known as Bahia, Brazil.
Throughout the colonial period in Brazil, the name Kaiori was occasionally used by indigenous individuals or those of mixed Portuguese and Tupi descent. Notable examples include:
1. Kaiori de Souza (c. 1620 - 1685), a renowned herbalist and healer in the Portuguese colony of Pernambuco.
2. Kaiori da Silva (c. 1710 - 1778), a respected leader and diplomat among the Tupi-Guarani people in the region of present-day São Paulo.
3. Kaiori Caramuru (c. 1760 - 1835), a skilled navigator and explorer who charted many of the coastal regions of Brazil.
4. Kaiori Mundurucu (c. 1810 - 1892), a prominent warrior and chief of the Mundurucu tribe, known for his fierce resistance against Portuguese colonization.
5. Kaiori Tupinambá (c. 1875 - 1952), a celebrated artist and sculptor whose works depicted the traditional life and culture of the Tupi people.
While the name Kaiori has its roots in the indigenous Tupi language and culture, it has since become a part of the broader Brazilian naming tradition, occasionally bestowed upon individuals of various backgrounds and ethnicities.
People
Kaiori + last name combinations
How many people share a full name with Kaiori 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
Kaiori: questions and answers
How many people in the U.S. are named Kaiori?
Name Census puts the figure at roughly 59 living Americans. We arrive at this by taking every SSA birth registration for Kaiori 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 5,809,396 US residents.
Is Kaiori a common name?
We classify Kaiori as "Very Rare". It ranks above 56.8% of all first names in the SSA dataset by living bearers. Across the full history of the data, 59 babies have been registered with this name.
When was Kaiori most popular?
The single biggest year for Kaiori was 2023, when 17 babies received the name. The fact that the average living Kaiori is about 3 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 Kaiori in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Kaiori a female name?
Yes, 91.5% of people registered as Kaiori in the SSA data are female. 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 Kaiori still being used today?
Yes. The SSA still recorded Kaiori 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 Kaiori 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 Kaiori?
See how many people have the name Kaiori on HowManyOfMe.org, our sister site built around that single question.