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How Many People Are Named Caitlin?
Estimated people named Caitlin living in the U.S. today
108,804
Gender distribution
0% male · 100% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 112,351
- Peak year: 1988 (7,274 births)
- Estimated living today: 108,804
Caitlin by age group — who carries the name today?
Caitlin popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Caitlin
Caitlin has been recorded by the Social Security Administration since the 19th century dataset began. In total, 112,351 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 108,804 bearers are still living — roughly 1 in 3,141 Americans. The name's strongest decade shapes how old most Caitlins 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 Caitlin in the US?
An estimated 108,804 people named Caitlin are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Caitlin uncommon — about 1 in 3,141 Americans.
Is Caitlin a boy or girl name?
In SSA records, Caitlin is 0% male and 100% female, so it is predominantly a female name.
When was Caitlin most popular?
Caitlin peaked in 1988, when 7,274 babies were given the name. Its current trend is declining compared with the previous decade.
How rare is the name Caitlin?
Caitlin ranks #493 of 104,819 first names recorded by the SSA, with a rarity score of 41 out of 100 (higher means rarer).