Cailin
4 countries#11932 in United States, 2025Popularity across 4 countries
Each line is scaled to its own peak, so you can compare when Cailin was in fashion in each country, whatever the population size.
Country by country
🇺🇸 United States
3,743 births recorded 1968–2025 · currently #11932 · peaked in 1998 with 169 births
Most common in: California, New York, Pennsylvania, Massachusetts, Texas
Source: Social Security Administration, official birth-registration data
🇬🇧 United Kingdom
252 births recorded 1996–2020 · peaked in 2002 with 23 births (England & Wales + Scotland + Northern Ireland combined)
Source: ONS, National Records of Scotland & NISRA (combined), official birth-registration data
🏴🏴 England & Wales
150 births recorded 1996–2020 · peaked in 2004 with 15 births
Source: Office for National Statistics, official birth-registration data
🏴 Scotland
68 births recorded 1996–2015 · peaked in 2010 with 7 births
Source: National Records of Scotland, official birth-registration data
Northern Ireland
34 births recorded 1997–2018 · peaked in 1998 with 7 births
Source: NISRA, official birth-registration data
United States rank history
Cailin’s rank among girls’ names, most recent 20 years on record.
| Year | Rank | vs. prior yr |
|---|---|---|
| 2006 | #1615 | — |
| 2007 | #1621 | ↓6 |
| 2008 | #1642 | ↓21 |
| 2009 | #1848 | ↓206 |
| 2010 | #1621 | ↑227 |
| 2011 | #1968 | ↓347 |
| 2012 | #2315 | ↓347 |
| 2013 | #2681 | ↓366 |
| 2014 | #2843 | ↓162 |
| 2015 | #3254 | ↓411 |
| 2016 | #5445 | ↓2191 |
| 2017 | #4695 | ↑750 |
| 2018 | #4237 | ↑458 |
| 2019 | #4653 | ↓416 |
| 2020 | #3546 | ↑1107 |
| 2021 | #5955 | ↓2409 |
| 2022 | #5028 | ↑927 |
| 2023 | #8989 | ↓3961 |
| 2024 | #7594 | ↑1395 |
| 2025 | #11932 | ↓4338 |
Frequently asked questions about Cailin
Is Cailin a popular name?
Yes — Cailin currently ranks #11932 among girls’ names in United States as of 2025, based on official birth records.
Is Cailin more common for boys or girls?
Cailin is recorded predominantly as a girls’ name in official United States birth data.
When was Cailin most popular?
Cailin peaked in 1998 in United States, with 169 recorded births that year.
Is Cailin rising or falling in popularity?
In United States, Cailin’s popularity is falling — its rank has slipped from #4779 in 1968 to #11932 in 2025.
How many babies have been named Cailin?
At least 3,995 babies have been recorded with the name Cailin across official birth statistics in 4 countries.
Is Cailin popular in more than one country?
Yes — Cailin appears in official birth records in 4 countries: United States, England & Wales, Scotland, Northern Ireland.