Kaileen: Name Popularity, History & Rankings (1880

Rank 2025

#4,299

among girls · ↑780 vs 2024

Babies in 2025

named Kaileen · +27% vs 2024

How common

1 in 48,705

girls born in 2025

Peak year

2022

83 babies

All-time total

867

#8,292 all-time among girls

First recorded

1976

in Social Security records

Kaileen popularity over time

867 babies have been named Kaileen since 1976, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure

Births per 1,000 babies of that sex, comparable across eras

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade	Girls	Per year	Change	Best rank
1880s	–	–	–	–
1890s	–	–	–	–
1900s	–	–	–	–
1910s	–	–	–	–
1920s	–	–	–	–
1930s	–	–	–	–
1940s	–	–	–	–
1950s	–	–	–	–
1960s	–	–	–	–
1970s	10	1	–	#5,777
1980s	71	7	+610%	#5,155
1990s	201	20	+183%	#4,274
2000s	193	19	-4%	#4,997
2010s	142	14	-26%	#5,283
2020s (to 2025)	250	42	+193%	#2,263

Where Kaileen is heading

A five-year projection from the recent trend in births per 1,000 girls (damped so it flattens over time), converted to babies at today's birth totals. The implied rank places that projection in the 2025 field. A projection, not a promise: real trends bend.

Year	Projected babies	Per 1,000 girls	Implied rank
2026	42	0.03	outside top 500
2027	51	0.03	outside top 500
2028	61	0.04	outside top 500
2029	70	0.04	outside top 500
2030	79	0.05	outside top 500

Where Kaileen is most popular

Girls named Kaileen per 1,000 girls born in each state, 2021–2025. National average: 0.030 per 1,000. Strongest in California, Texas, and Arizona.

Vs national average

well below below near national above well above no data

All 50 states and DC, sorted by rate. Counts are girls named Kaileen born 2021–2025; the per-1,000 rate makes states of different sizes comparable, and the last column shows each state against the national average.

State	Girls 2021–2025	Per 1,000	vs national
California	57	0.068	+127%
Texas	51	0.063	+113%
Arizona	5	0.036	+19%
New York	5	0.013	-58%
Alaska	–	–	–
Alabama	–	–	–
Arkansas	–	–	–
Colorado	–	–	–
Connecticut	–	–	–
District of Columbia	–	–	–
Delaware	–	–	–
Florida	–	–	–
Georgia	–	–	–
Hawaii	–	–	–
Iowa	–	–	–
Idaho	–	–	–
Illinois	–	–	–
Indiana	–	–	–
Kansas	–	–	–
Kentucky	–	–	–
Louisiana	–	–	–
Massachusetts	–	–	–
Maryland	–	–	–
Maine	–	–	–
Michigan	–	–	–
Minnesota	–	–	–
Missouri	–	–	–
Mississippi	–	–	–
Montana	–	–	–
North Carolina	–	–	–
North Dakota	–	–	–
Nebraska	–	–	–
New Hampshire	–	–	–
New Jersey	–	–	–
New Mexico	–	–	–
Nevada	–	–	–
Ohio	–	–	–
Oklahoma	–	–	–
Oregon	–	–	–
Pennsylvania	–	–	–
Rhode Island	–	–	–
South Carolina	–	–	–
South Dakota	–	–	–
Tennessee	–	–	–
Utah	–	–	–
Virginia	–	–	–
Vermont	–	–	–
Washington	–	–	–
Wisconsin	–	–	–
West Virginia	–	–	–
Wyoming	–	–	–

State counts come from the Social Security Administration's state files, which omit any state-year with fewer than five babies of a name, so small states can undercount slightly.

The story of Kaileen

Kaileen is rare for girls in the United States, ranked #4,299 in 2025 with 33 babies given the name. It is currently rising compared with a decade ago.

Since 1976, 867 American babies have been named Kaileen. Its peak came in 2022, when 83 newborns received the name, the signature sound of the 2020s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Kaileen stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Kaileen?

The median living Kaileen is about 17 years old; half are between 4 and 28. An estimated 900 people named Kaileen are alive in the United States today.

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Kaileen year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year	Girls	Girls rank
2025	33	#4,299
2024	26	#5,079
2023	54	#3,059
2022	83	#2,263
2021	46	#3,414
2020	8	#11,582
2019	6	#14,632
2018	9	#10,973
2017	10	#10,314
2016	8	#12,285
2015	11	#9,782
2014	22	#5,887
2013	17	#7,203
2012	13	#8,872
2011	26	#5,283
2010	20	#6,499
2009	19	#6,931
2008	26	#5,506
2007	16	#7,900
2006	23	#5,810
2005	24	#5,350
2004	26	#4,997
2003	18	#6,433
2002	15	#7,229
2001	13	#7,956
2000	13	#7,785
1995	24	#4,274
1990	12	#7,070
1985	11	#6,215
1980	–	–
1975	–	–
1970	–	–
1965	–	–
1960	–	–
1955	–	–
1950	–	–
1945	–	–
1940	–	–
1935	–	–
1930	–	–
1925	–	–
1920	–	–
1915	–	–
1910	–	–
1905	–	–
1900	–	–
1895	–	–
1890	–	–
1885	–	–
1880	–	–

Frequently asked questions

Quick answers about Kaileen, drawn from the same Social Security data as the charts above.

How old is the average Kaileen?

The median living Kaileen is about 17 years old. Half of all living Kaileens are between 4 and 28 years old.

How many people named Kaileen are alive today?

An estimated 900 people named Kaileen are alive in the United States, based on 867 recorded births and Social Security life tables.

How popular is the name Kaileen in 2025?

Kaileen ranked #4,299 among girls' names in the United States in 2025, with 33 babies given the name, according to Social Security Administration data.

How many people are named Kaileen?

867 babies have been named Kaileen in the United States since 1976, based on Social Security card applications.

When was the name Kaileen most popular?

Kaileen peaked in 2022, when 83 newborns received the name.

Is Kaileen a boy or girl name?

Kaileen is overwhelmingly a girl's name: 100% of babies with the name.

Is the name Kaileen rising or falling?

Kaileen is on the rise, noticeably more popular now than a decade ago.

Will Kaileen become more popular?

Kaileen is trending upward. If the recent trend holds, we project roughly 79 girls named Kaileen in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Kaileen

Names that sound and feel close to Kaileen: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Kaileen with similar names → More names starting with K →