Tools / Baby names / C

Cailin

Girl

Meaning of Cailin: Irish: 'girl'

Cailin is a girl's name most strongly associated with Irish naming. It has 6 letters and 2 syllables, and it is a genuinely rare and unique choice — 11253rd most popular girls' name in the United States in 2025.

US rank 2025

#11253

7 babies in 2025

England & Wales 2024

—

Fewer than 3 babies or unlisted

US babies since 1880

3,743

First recorded 1968 · peak 1998

Trend

stable

Style: rare

Popularity over time

1981: 17 babies1982: 35 babies1983: 44 babies1984: 47 babies1985: 39 babies1986: 40 babies1987: 64 babies1988: 59 babies1989: 59 babies1990: 71 babies19901991: 62 babies1992: 56 babies1993: 75 babies1994: 129 babies1995: 127 babies1996: 129 babies1997: 143 babies1998: 169 babies1999: 131 babies2000: 150 babies20002001: 146 babies2002: 160 babies2003: 164 babies2004: 147 babies2005: 144 babies2006: 132 babies2007: 142 babies2008: 137 babies2009: 120 babies2010: 133 babies20102011: 100 babies2012: 81 babies2013: 65 babies2014: 60 babies2015: 50 babies2016: 24 babies2017: 29 babies2018: 33 babies2019: 29 babies2020: 42 babies20202021: 20 babies2022: 26 babies2023: 11 babies2024: 14 babies2025: 7 babies
US babies named Cailin per year (Social Security Administration). Peak bar = 169.

Gender split

1% boys · 99% girls, based on US, UK and international usage.

Origins & cultures

More Irish girls' names

Other names starting with C