Kaileen
Kaileen was given to 33 girls in 2025, #4,298 among girls’ names; 867 Americans have been recorded with it since 1976 (Social Security Administration, published May 2026).
Girls and boys together; gaps are years SSA did not record (fewer than 5 births).
Births of Kaileen by year: SSA national baby-name file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
How popular is Kaileen?
#4,298 among girls’ names, 2025
Kaileen rose from #9,777 in 2015 to #4,298 in 2025 among girls’ names; its share of girls born rose from 6.2 to 20.5 per million.
83 babies in 2022, the peak
Kaileen peaked in 2022, when 83 girls were given it, #2,263 among girls’ names. The 33 births of 2025 are 40% of that peak.
| Year | Births | Rank | Per million girls |
|---|---|---|---|
| 2025 | 33 | #4,298 | 20.5 |
| 2024 | 26 | #5,076 | 16.0 |
| 2023 | 54 | #3,059 | 33.7 |
| 2022 | 83 | #2,263 | 50.6 |
| 2021 | 46 | #3,413 | 28.0 |
| 2020 | 8 | #11,577 | 4.9 |
| 2019 | 6 | #14,627 | 3.6 |
| 2018 | 9 | #10,968 | 5.3 |
| 2017 | 10 | #10,310 | 5.8 |
| 2016 | 8 | #12,280 | 4.5 |
Every recorded year (43)
| Year | Births | Rank | Per million girls |
|---|---|---|---|
| 2015 | 11 | #9,777 | 6.2 |
| 2014 | 22 | #5,885 | 12.3 |
| 2013 | 17 | #7,199 | 9.7 |
| 2012 | 13 | #8,868 | 7.4 |
| 2011 | 26 | #5,281 | 14.8 |
| 2010 | 20 | #6,496 | 11.3 |
| 2009 | 19 | #6,928 | 10.3 |
| 2008 | 26 | #5,503 | 13.7 |
| 2007 | 16 | #7,896 | 8.3 |
| 2006 | 23 | #5,808 | 12.1 |
| 2005 | 24 | #5,345 | 13.0 |
| 2004 | 26 | #4,993 | 14.2 |
| 2003 | 18 | #6,428 | 9.9 |
| 2002 | 15 | #7,223 | 8.3 |
| 2001 | 13 | #7,949 | 7.2 |
| 2000 | 13 | #7,777 | 7.2 |
| 1999 | 23 | #4,790 | 13.0 |
| 1998 | 24 | #4,550 | 13.6 |
| 1997 | 17 | #5,732 | 9.8 |
| 1996 | 24 | #4,374 | 13.7 |
| 1995 | 24 | #4,269 | 13.6 |
| 1994 | 22 | #4,600 | 12.3 |
| 1993 | 21 | #4,724 | 11.6 |
| 1992 | 22 | #4,596 | 11.9 |
| 1991 | 12 | #7,148 | 6.4 |
| 1990 | 12 | #7,064 | 6.3 |
| 1989 | 16 | #5,399 | 8.7 |
| 1988 | 16 | #5,150 | 9.0 |
| 1987 | 12 | #6,086 | 6.9 |
| 1986 | 8 | #8,058 | 4.7 |
| 1985 | 11 | #6,213 | 6.4 |
| 1983 | 8 | #7,602 | 4.8 |
| 1976 | 10 | #5,775 | 6.8 |
Ranks and shares: girls’ names in each year’s SSA file; share of all girls SSA recorded that year.
Is Kaileen a boy’s or a girl’s name?
Kaileen has been recorded only for girls: SSA lists no boys with the name in 43 years of records (it lists a name only in years with 5 or more babies of a sex).
Girls and boys named Kaileen: the SSA national file counts each sex separately.
How many people are named Kaileen, and how old are they?
An estimated 856 Americans named Kaileen and born in the U.S. are alive in 2026 (99% of everyone recorded); the median is 18 years old and half are between 5 and 29. An estimate from SSA’s births and life tables, not a count.
The 2020 Census counted 575 people named Kaileen (574 women and girls, 1 man or boy). SSA’s births carried forward to Census day, April 1, 2020, predict 612 born in the U.S. The Census count is 6% below that prediction.
Living estimate: SSA births carried forward with the survival rates in SSA’s cohort life tables (2024 Trustees Report) for each birth year and sex. How the estimate is made. Count: Census Bureau, first names in the 2020 Census (released April 14, 2026; names reported 100 or more times, with the Bureau’s disclosure-avoidance adjustment).
Where are babies named Kaileen born?
| State | Births 2025 | Rank, girls | vs. national |
|---|---|---|---|
| California | 10 | #2,018 | 1.0× |
| Texas | 6 | #3,096 | 0.6× |
States: SSA state file, 1910-2025, published May 8, 2026; births count girls and boys together, and the rank is among girls’ names in the state in 2025. The file leaves out any state and year with fewer than 5 babies of the name, so small states are undercounted; each ratio compares the state’s births of Kaileen with the births its national share predicts year by year, for states with at least 100 births of the name.
How common is the spelling Kaileen?
Kaileen is a less common spelling of Kayleen: SSA has recorded 867 Kaileen and 7,995 Kayleen since 1880.
Of these 8 names spelled alike, given to 38,956 babies since 1880, Kaileen is the sixth most given (2.2% of them). In 2025 it was given to 33 of their 411 babies (8.0%), the fifth most given that year.
Spelled alike: names in the SSA national file with the same pattern of letters and sounds and at most two letters apart, and Wiktionary’s listed forms; births since 1880 and in 2025, and each name’s peak year, from the SSA national file, published May 8, 2026. Some are separate names, not spellings of one.
Names that rose and fell in the same decades as Kaileen
Names whose births rose and fell across the same decades, measured on each decade’s share of births.
Similar histories: each decade’s share of births, from the SSA national file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
More about Kaileen and names like it
- Compare Kaileen and KayleenBirths, ranks, peak and the living estimate side by side.
- The most given names of the 2020sKaileen peaked in 2022.
- California’s most given namesThe state where SSA recorded the most babies named Kaileen since 1910.
- The top names of 2022The year the most babies were named Kaileen.
- The names of Generation AlphaMost people named Kaileen alive today were born 2013-2025.
- Names starting with KMost given first.