Kai Unisex

Popularity: #75 · Trend: ↗ Rising

Name Meaning & Origin Pronunciation: Kye //kaɪ//

Origin: Hawaiian; Japanese; Chinese

Meaning: Hawaiian: sea; Japanese: forgiveness; Chinese: victory

Historical & Cultural Background

The name Kai has multiple etymological roots across different cultures and languages. In Hawaiian, Kai means "sea," derived from the Proto-Polynesian *kai, which also carries the meaning of "food" or "to eat." In Japanese, Kai can mean "ocean" or "shell," depending on the kanji used, and it is also associated with meanings like "restoration" or "recovery" when written with different characters.

The name has also been linked to the Welsh word "cai," which is a diminutive of the name Caius, a Latin name meaning "rejoice." The name's journey into English likely occurred through various cultural exchanges, particularly during the 19th and 20th centuries, as global interactions increased and names from diverse languages began to be adopted more widely. Historically, the name Kai has been borne by notable figures across cultures.

In the context of Hawaiian culture, it is often associated with the ocean and its significance in Polynesian mythology and navigation. In Japan, the name has been used in various historical texts and literature, reflecting the deep connection between the name and natural elements.

The name's presence in Welsh history can be traced back to the Arthurian legends, where Caius is sometimes mentioned as a knight of King Arthur, further embedding the name in the cultural fabric of the British Isles. Culturally, Kai resonates with themes of nature and the sea, symbolizing strength, fluidity, and the nurturing aspects of water.

This connection to the ocean is particularly significant in Polynesian cultures, where the sea is a vital source of sustenance and a central element of identity. The name's versatility across different languages and cultures has allowed it to maintain a sense of timelessness, appealing to various traditions and beliefs.

In some contexts, diminutive forms such as Kaito in Japanese can also be found, adding layers of meaning and affection to the name.

Famous people named Kai

In this section, you will find notable people named Kai. We include individuals across a wide range of fields, including actors known for their work in film, television, and stage productions. You'll also find musicians, directors, and other public figures named Kai who have made a significant impact on popular culture.

We also feature individuals named Kai who have made meaningful contributions to science, politics, athletics, literature, and other areas of public interest.

Please note that not every baby name in our database currently has a famous namesake listed. If you would like to suggest a name we may have missed or submit a correction, feel free to contact us. We review and finalize additions and corrections within 24 hours.

Kai Greene is an actor and bodybuilder best known for Generation Iron, The Predator, and his role in the Netflix series Stranger Things.

Kai L. Greene is a professional bodybuilder and actor best known for his participation in the Mr. Olympia competition and the film Generation Iron.

Fictional characters named Kai

The following list of fictional characters named Kai is a work in progress. If you would like to suggest an additional character, please send us the character's name along with a brief, one-sentence description of what they are best known for.

You may also submit corrections, which we will review and update as quickly as possible.

Kai is a fictional character from the animated series Ninjago: Masters of Spinjitzu. He is a skilled ninja and the Elemental Master of Fire, known for his bravery and leadership.

Sibling suggestions

If you're looking for sibling name ideas that pair well with Kai, the following options are frequently chosen as complementary choices by parents.

Similar names

Based on our extensive baby names database, several names share stylistic or phonetic similarities with Kai. These names can serve as alternatives to the sibling suggestions listed above and may help you find the perfect complementary name for your growing family.

U.S. Historical Usage

The name Kai was first seen in the United States in 1926.

Kai has ranked as high as #93 nationally, which occurred in 2022, and has been most popular in California, Florida, Texas, New York, and Washington.

In the past 5 years the name Kai has been trending up compared to the previous 5 years.

Popularity Over Time (National)

The name Kai is part of our comprehensive baby names database, which includes Social Security Administration (SSA) data dating back to 1880—the first official year of state and national tracking. The chart below shows when Kai was first recorded in the United States and illustrates how its popularity has risen and fallen over time.

Top States for Kai (2024)

We track the most popular states for each baby name every year and highlight the locations where the name appears most frequently. In some cases, you may see four or five states listed. However, we only display states where the name represents a significant percentage of births, so the number of states shown can range from one to several.

State Births Share
CA 585
14%
TX 434
11%
FL 370
9%
NY 210
5%
GA 153
4%
NC 139
3%
WA 135
3%
OH 130
3%
PA 130
3%
VA 128
3%
AZ 108
3%
IL 95
2%
MI 91
2%
IN 86
2%
MA 85
2%

Popularity Over Time (National) — Table

We track the national popularity of each baby name annually. The table below displays each year along with the number of births reported by the Social Security Administration. This data combines all state-level reporting from the SSA's baby names database to provide a comprehensive view of overall birth counts for Kai.

YearBirths
20244,276
20234,967
20225,366
20214,638
20203,863
20193,741
20183,462
20173,155
20162,895
20152,852
20142,411
20131,983
20121,938
20111,790
20101,749
20091,759
20081,609
20071,399
20061,451
20051,413
20041,324
20031,217
20021,108
2001718
2000622
1999465
1998363
1997322
1996297
1995357
1994215
1993182
1992159
1991155
1990124
1989140
198893
1987105
198696
198599
198485
198375
198295
198189
198083
197987
197874
197766
197654
197558
197450
197353
197253
197140
197058
196946
196847
196740
196636
196533
196432
196335
196229
196123
196020
195926
195820
195716
195612
195522
195414
195310
19525
195114
19509
19495
19445
19326
19266