Kirby
Gender: Unisex
Meaning: Bright, clear, intelligent
Origin: Japanese
Popularity: Ranked #2671 in 2025 with 65 babies born.
History: A variant or related form of Kirah, meaning bright, clear, intelligent.
Similar names: kirah, kiree, kirra, kaiba, kaiir, kaira, kairah, kairee
Name length: 5 letters
How common is Kirby? About 1 in 32,955 babies born in 2025 were named Kirby, or roughly 0.3 per day in the United States.
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Frequently asked about Kirby
What does the name Kirby mean?
Kirby means “Bright, clear, intelligent” from Japanese roots.
What is the origin of the name Kirby?
Kirby has Japanese origin. The traditional meaning is “Bright, clear, intelligent”.
How popular is Kirby?
Kirby ranked #2645 in 2025 — given to 65 babies that year.
When was Kirby most popular?
Kirby peaked in 1984 with 367 babies registered that year.
Is Kirby a boy or girl name?
Kirby is used for both boys and girls. In the records, about 79% of Kirbys are boys and 21% are girls.
Is the name Kirby rising or falling in popularity?
Kirby has risen 1101 spots in the rankings over the last 5 years — from #3746 in 2020 to #2645 in 2025.
How long has Kirby been recorded?
Kirby appears in birth records across 143 years — from 1881 through 2025.