Caitlin Girl

How popular is Caitlin?

#2,326 girl name in 2025

78 baby girls were named Caitlin in the US in 2025, making it the 2326th most popular girl name.

Compare with other names
110,375living people named Caitlin (est.)
33median age of people named Caitlin
112,426babies named Caitlin since 1880
1 in 42,504US babies born in 2025

Caitlin popularity over time

04,0008,000 18801900192019401960198020002020

Boys Girls

Rank in 2025#2,326 for girls (▼ 645 from 2024)
Babies in 202578 girls
10-year trendFalling fast (-84% babies vs 2015)
Earlier ranks#610 in 2015, #1,792 in 2020
Peak year1988 (7,246 girls)
Highest rank#44 in 1988
First recorded1955
Boys vs girls (last 10 years)0% boys, 100% girls
Chance a classmate shares it0.1% in a class of 25 kids born in 2025

Caitlin counting every spelling

Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Kaitlyn family of names ranked #361 for girls in 2025 (#294 the year before), with 882 babies in all.

SpellingGirls in 2025Share
Kaitlyn 340 39%
Katelyn 225 26%
Caitlyn 71 8%
Katelynn 63 7%
Caitlin 78 9%
Kaitlynn 41 5%
Kaitlin 35 4%
Caitlynn 11 1%
Katlyn 12 1%
Kaytlyn 6 1%

Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.

Where Caitlin is most popular

Babies named Caitlin per 1,000 girls born in each state, 2021 to 2025. Darker means more common.

  1. Iowa: 0.1 per 1,000 (6 girls)
  2. New York: 0.1 per 1,000 (26 girls)
  3. Tennessee: 0.1 per 1,000 (10 girls)
  4. New Jersey: 0.1 per 1,000 (11 girls)
  5. Georgia: 0.1 per 1,000 (13 girls)

Caitlin by decade

DecadeBaby girlsBest rank
1950s46#3,308
1960s410#1,153
1970s1,277#677
1980s33,584#44
1990s49,033#50
2000s22,298#76
2010s4,935#339
2020s560#1,681

Girl names about as popular as Caitlin

Questions

Is Caitlin a boy or girl name?
Caitlin is mostly a girl name. Over the last 10 years, 100% of babies named Caitlin were girls.
How popular is the name Caitlin?
78 baby girls were named Caitlin in the US in 2025, making it the 2326th most popular girl name.
When was Caitlin most popular?
Caitlin peaked in 1988, when 7,246 girls were given the name. Its highest rank was #44 in 1988.
How many people are named Caitlin?
112,426 babies have been named Caitlin in the US since 1880. We estimate about 110,375 of them are alive in 2026, with a median age of 33.
Where is Caitlin most popular?
From 2021 to 2025, Caitlin was most common in Iowa, at 0.1 of every 1,000 girls born there.

Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.