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How Many People Are Named Caitlyn?
Estimated people named Caitlyn living in the U.S. today
51,296
Gender distribution
0% male · 100% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 52,565
- Peak year: 1998 (2,943 births)
- Estimated living today: 51,296
Caitlyn by age group — who carries the name today?
Caitlyn popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Caitlyn
Caitlyn has been recorded by the Social Security Administration since the 19th century dataset began. In total, 52,565 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 51,296 bearers are still living — roughly 1 in 6,663 Americans. The name's strongest decade shapes how old most Caitlyns 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 Caitlyn in the US?
An estimated 51,296 people named Caitlyn are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Caitlyn rare — about 1 in 6,663 Americans.
Is Caitlyn a boy or girl name?
In SSA records, Caitlyn is 0% male and 100% female, so it is predominantly a female name.
When was Caitlyn most popular?
Caitlyn peaked in 1998, when 2,943 babies were given the name. Its current trend is declining compared with the previous decade.
How rare is the name Caitlyn?
Caitlyn ranks #891 of 104,819 first names recorded by the SSA, with a rarity score of 45 out of 100 (higher means rarer).