Tools / Baby names / K

Kaelin

Unisex

Meaning of Kaelin: Irish: 'slender'

Kaelin is a unisex name most strongly associated with Irish naming. It has 6 letters and 2 syllables, and it is a genuinely rare and unique choice — 8572nd most popular name in the United States in 2025.

US rank 2025

#8572

11 babies in 2025

England & Wales 2024

Fewer than 3 babies or unlisted

US babies since 1880

3,663

First recorded 1981 · peak 1995

Trend

stable

Style: rare

Popularity over time

1981: 13 babies1982: 11 babies1983: 14 babies1984: 22 babies1985: 21 babies1986: 19 babies1987: 35 babies1988: 44 babies1989: 54 babies1990: 48 babies19901991: 56 babies1992: 56 babies1993: 50 babies1994: 152 babies1995: 281 babies1996: 183 babies1997: 164 babies1998: 118 babies1999: 117 babies2000: 117 babies20002001: 136 babies2002: 107 babies2003: 170 babies2004: 163 babies2005: 223 babies2006: 187 babies2007: 183 babies2008: 144 babies2009: 130 babies2010: 92 babies20102011: 72 babies2012: 66 babies2013: 58 babies2014: 62 babies2015: 44 babies2016: 46 babies2017: 37 babies2018: 31 babies2019: 34 babies2020: 24 babies20202021: 26 babies2022: 22 babies2023: 20 babies2024: 0 babies2025: 11 babies
US babies named Kaelin per year (Social Security Administration). Peak bar = 281.

Gender split

25% boys · 75% girls, based on US, UK and international usage.

Origins & cultures

More Irish names

Other names starting with K