Kato
Gender: Boy
Meaning: Second born twin, good
Origin: African/Japanese
Popularity: Ranked #2664 in 2025 with 49 babies born.
History: Kato has roots in the Baganda language of Uganda, where it traditionally denotes the second of male twins. In Japanese 'Kato' is a common surname meaning addition to the wisteria. As a given name in the West it gained recognition through Kato Kaelin, who became famous during the O.J. Simpson trial, and through The Green Hornet's sidekick Kato.
Name length: 4 letters
How common is Kato? About 1 in 67,929 babies born in 2025 were named Kato, or roughly 0.1 per day in the United States.
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Frequently asked about Kato
What does the name Kato mean?
Kato means “Second born twin, good” from African/Japanese roots.
What is the origin of the name Kato?
Kato has African/Japanese origin. The traditional meaning is “Second born twin, good”.
How popular is Kato?
Kato ranked #2641 in 2025 — given to 49 babies that year.
When was Kato most popular?
Kato peaked in 2022 with 57 babies registered that year.
Is Kato a boy or girl name?
Kato is predominantly a boys' name — over 90% of Katos in registered births are male.
Is the name Kato rising or falling in popularity?
Kato has fallen 155 spots in the rankings over the last 5 years — from #2486 in 2020 to #2641 in 2025.
How long has Kato been recorded?
Kato appears in birth records across 43 years — from 1914 through 2025.