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How Many People Are Named Kirby?
Estimated people named Kirby living in the U.S. today
14,123
Gender distribution
74% male · 26% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 18,395
- Peak year: 1984 (509 births)
- Estimated living today: 14,123
Kirby by age group — who carries the name today?
Kirby popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Kirby
Kirby has been recorded by the Social Security Administration since the 19th century dataset began. In total, 18,395 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 14,123 bearers are still living — roughly 1 in 24,202 Americans. The name's strongest decade shapes how old most Kirbys you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).
Frequently asked questions
How many people are named Kirby in the US?
An estimated 14,123 people named Kirby are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Kirby rare — about 1 in 24,202 Americans.
Is Kirby a boy or girl name?
In SSA records, Kirby is 74% male and 26% female, so it is predominantly a male name.
When was Kirby most popular?
Kirby peaked in 1984, when 509 babies were given the name. Its current trend is rising compared with the previous decade.
How rare is the name Kirby?
Kirby ranks #1,943 of 104,819 first names recorded by the SSA, with a rarity score of 51 out of 100 (higher means rarer).