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How Many People Are Named Kailyn?
Estimated people named Kailyn living in the U.S. today
13,983
Gender distribution
1% male · 99% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 14,230
- Peak year: 2011 (799 births)
- Estimated living today: 13,983
Kailyn by age group — who carries the name today?
Kailyn popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Kailyn
Kailyn has been recorded by the Social Security Administration since the 19th century dataset began. In total, 14,230 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 13,983 bearers are still living — roughly 1 in 24,444 Americans. The name's strongest decade shapes how old most Kailyns 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 Kailyn in the US?
An estimated 13,983 people named Kailyn are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Kailyn rare — about 1 in 24,444 Americans.
Is Kailyn a boy or girl name?
In SSA records, Kailyn is 1% male and 99% female, so it is predominantly a female name.
When was Kailyn most popular?
Kailyn peaked in 2011, when 799 babies were given the name. Its current trend is declining compared with the previous decade.
How rare is the name Kailyn?
Kailyn ranks #1,954 of 104,819 first names recorded by the SSA, with a rarity score of 51 out of 100 (higher means rarer).