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

Kailey is primarily a girl's name. It is also used as a boy's name, with 10 recorded births.

When was Kailey most popular?

Kailey reached its peak popularity in 2004 with 1,439 births that year. It is currently ranked #1284 in the U.S.

How popular is the name Kailey?

Kailey is currently ranked #1284 in the U.S. (2024). It has been given to 27,089 babies since 1970.

Kailey

A Irish name gently fading from the charts.

Girl's name| Also boysIrishDeclining Also a pet name

#1284▼ 190in 2024

Meaning & Origin

A female given name transferred from the surname, variant of Kaylee.

Kailey is a girl's and boy's baby name of Irish origin, a variant of Kaylee, from the Irish Gaelic caol (slender, narrow) or cáidhleach (victorious people), meaning 'slender' or 'graceful.' It also echoes the Hawaiian and Arabic meanings of 'pure' and 'beloved.'

Part of the Kay-/Kai-/Kay family of names — Kayla, Kaylee, Kaylin, Kailyn — Kailey has been consistently popular in American naming since the 1990s. Its friendly, lilting sound and cross-cultural resonance give it a warmth that's impossible to resist.

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Popularity Over Time

Kailey was #228 twenty years ago and has since drifted to #1284, but its charm endures.

Popularity by Decade

Decade-by-decade popularity data for Kailey
Decade	Births	Avg Rank	Trend
2020s	1,254	#1040	▼
2010s	6,153	#535	▼
2000s	11,836	#279	▲
1990s	6,830	#419	▲
1980s	1,006	#3599	▲
1970s	10	#8704	—

Year-by-Year Data

View complete yearly data(47 years, 1970–2024)

Year-by-year popularity data for the name Kailey
Year	Births	Rank	Change
2024	180	#1284	-45 (-20.0%)
2023	225	#1094	-31 (-12.1%)
2022	256	#1014	-15 (-5.5%)
2021	271	#961	-51 (-15.8%)
2020	322	#847	-24 (-6.9%)
2019	346	#800	-81 (-19.0%)
2018	427	#685	-27 (-5.9%)
2017	454	#656	-53 (-10.5%)
2016	507	#595	-80 (-13.6%)
2015	587	#531	-77 (-11.6%)
2014	664	#476	-7 (-1.0%)
2013	671	#452	-86 (-11.4%)
2012	757	#415	-149 (-16.4%)
2011	906	#355	+72 (8.6%)
2010	834	#384	-165 (-16.5%)
2009	999	#330	-84 (-7.8%)
2008	1,083	#309	-95 (-8.1%)
2007	1,178	#287	-97 (-7.6%)
2006	1,275	#258	-23 (-1.8%)
2005	1,298	#251	-141 (-9.8%)

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

Kailey as a Boy's Name

While overwhelmingly a girl's name, Kailey has also been given to 10 boys in the U.S. since 2004.

Unranked

Current rank

Total births

2004

Peak year

Compare Kailey as girl vs boy

Frequently Asked

Can Kailey be used for both boys and girls?

Yes, Kailey is used for both boys and girls. As a girl's name, it currently ranks #1284. As a boy's name, it is not currently in the top rankings.

Kailey has two lives

Kailey, the baby name

#1284girls

27,089 babies

Currently viewing

Last updated May 2026 · Data: U.S. Social Security Administration (1970–2024) · Methodology