Is Kaelyn a boy's or girl's name?

Kaelyn is primarily a girl's name. It is also used as a boy's name, with 82 recorded births.

When was Kaelyn most popular?

Kaelyn reached its peak popularity in 2009 with 997 births that year. It is currently ranked #1636 in the U.S.

How popular is the name Kaelyn?

Kaelyn is currently ranked #1636 in the U.S. (2024). It has been given to 15,435 babies since 1959.

Kaelyn

A American name gently fading from the charts.

Girl's name| Also boysAmericanDeclining

#1636▼ 90in 2024

Meaning & Origin

A female given name originating as a coinage.

Kaelyn is a girl's and boy's baby name of American origin, a modern coinage blending Kay or Kae with the popular -lyn suffix. It emerged in the late 20th century as part of a wave of invented feminine names built from familiar sound combinations.

With over 15,400 births in U.S. records, Kaelyn resonates with parents who want something that feels both contemporary and feminine, with a friendly, approachable sound. Spelling variants include Kaylyn, Kailyn, and Cailyn.

Compare Kaelyn with another name

Popularity Over Time

Kaelyn was #569 twenty years ago and has since drifted to #1636, but its charm endures.

Popularity by Decade

Decade-by-decade popularity data for Kaelyn
Decade	Births	Avg Rank	Trend
2020s	818	#1408	▼
2010s	5,597	#622	▼
2000s	6,463	#506	▲
1990s	2,139	#1074	▲
1980s	378	#3362	▲
1970s	10	#10125	▼
1960s	25	#6305	▲
1950s	5	#6702	—

Year-by-Year Data

View complete yearly data(51 years, 1959–2024)

Year-by-year popularity data for the name Kaelyn
Year	Births	Rank	Change
2024	126	#1636	-12 (-8.7%)
2023	138	#1546	-3 (-2.1%)
2022	141	#1525	-51 (-26.6%)
2021	192	#1226	-29 (-13.1%)
2020	221	#1109	-24 (-9.8%)
2019	245	#1046	-35 (-12.5%)
2018	280	#948	-53 (-15.9%)
2017	333	#821	-58 (-14.8%)
2016	391	#726	-211 (-35.0%)
2015	602	#522	+69 (12.9%)
2014	533	#575	-159 (-23.0%)
2013	692	#443	-62 (-8.2%)
2012	754	#417	-68 (-8.3%)
2011	822	#385	-123 (-13.0%)
2010	945	#340	-52 (-5.2%)
2009	997	#332	+48 (5.1%)
2008	949	#351	-38 (-3.9%)
2007	987	#338	+108 (12.3%)
2006	879	#370	+317 (56.4%)
2005	562	#521	+60 (12.0%)

Source: U.S. Social Security Administration. Showing years with 5+ recorded births.

Kaelyn as a Boy's Name

While overwhelmingly a girl's name, Kaelyn has also been given to 82 boys in the U.S. since 1995.

#13174

Current rank

Total births

1995

Peak year

Compare Kaelyn as girl vs boy

Frequently Asked

Can Kaelyn be used for both boys and girls?

Yes, Kaelyn is used for both boys and girls. As a girl's name, it currently ranks #1636. As a boy's name, it ranks #13174.

Last updated May 2026 · Data: U.S. Social Security Administration (1959–2024) · Methodology