What does Cailin mean and where does it come from?
Cailin is an Irish name commonly used to refer to a young girl or lass. The term is widely recognized in both Irish and Scottish culture. Its first recorded uses date back to early Middle Ages in Ireland. In more contemporary times, it has gained popularity in the United States, often chosen for its
Cultural significance
Cailin has been a cherished name across cultures, particularly in Ireland-speaking communities, where it reflects values of irish.
Peak popularity
Reached #1165 in 1998 — currently #12153 in the US.
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Related Reading
Ireland-origin baby names with timeless appeal
Browse names →How popular is Cailin right now?
Falling — down 4490 spots — currently #12153 in the US out of 135.5k tracked names
| Year | US Rank | Births | vs Prior Year |
|---|
| 2025 | #12153 | 7 | ▼ down 4490 · -50% births |
| 2024 | #7663 | 14 | ▼ down 7021 · -99% births |
| 2023 | #642 | 1,558 | ▲ up 5 · +1% births |
| 2022 | #647 | 1,538 | ▲ up 5 · +2% births |
| 2021 | #652 | 1,508 | ▲ up 2933 · +3578% births |
| 2020 | #3585 | 41 | ▼ down 317 · -18% births |
| 2015 | #3268 | 50 | ▼ down 1643 · -62% births |
| 2010 | #1625 | 133 | ▼ down 156 · -8% births |
| 2005 | #1469 | 144 | ▼ down 179 · -4% births |
| 2000 | #1290 | 150 | ▲ up 25 · +18% births |
| 1995 | #1315 | 127 | ▲ up 636 · +79% births |
| 1990 | #1951 | 71 | ▲ up 578 · +82% births |
| 1985 | #2529 | 39 | ▲ up 1571 · +105% births |
| 1980 | #4100 | 19 | ▲ up 2234 · +111% births |
| 1975 | #6334 | 9 | — |
The story of Cailin
Cailin is a relatively modern name, first appearing in US records in 1968. With 3,664 total births recorded, Cailin remains relatively uncommon. The name has grown more popular over time, rising from #6334 in 1975 to #642 in 2023. Cailin is used for both genders: 99% female and 1% male.
Names that peaked alongside Cailin in 1998:
Cailin by decade
Cailin peaked in the 1990s. See all 1990s names →
| Decade | Births | |
|---|
| 1960s | 9 | |
| 1970s | 53 | |
| 1980s | 423 | |
| 1990s | 1,092 | |
| 2000s ★ | 1,442 | |
| 2010s | 604 | |
| 2020s | 62 | |
💎With 3,664 total births, Cailin is an uncommon but established name.
What are good nicknames for Cailin?
ENGLISH
KaetyKateeKateyKatieKaty
How is Cailin written in other languages?
What are the boy versions of Cailin?
Common questions about the name Cailin
What does the name Cailin mean?
Cailin means "Irish" — a name rooted in Ireland tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.
How popular is the name Cailin?
Cailin is currently ranked #642 as a baby name in the US and is holding steady in popularity, a reliable classic that parents consistently choose.
What is the cultural origin of Cailin?
Cailin originates from Ireland tradition. Ireland names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.
Is Cailin more of a girl or boy name?
Cailin is a genuinely unisex name used for both boys and girls. The unisex quality makes it particularly versatile for modern families.
What are good nicknames for Cailin?
Cailin naturally lends itself to affectionate nicknames. Shortened versions based on the first syllable are most popular, and many parents also create unique pet names that feel personal to their family.