Kailynn
Kailynn was given to 78 girls in 2025, #2,343 among girls’ names; 4,747 Americans have been recorded with it since 1985 (Social Security Administration, published May 2026).
An estimated 4,700 Americans named Kailynn and born in the U.S. are alive in 2026 (99% of everyone recorded); the median is 15 years old and half are between 10 and 20.
Girls and boys together; gaps are years SSA did not record (fewer than 5 births).
Births of Kailynn by year: SSA national baby-name file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
How popular is Kailynn?
#2,343 among girls’ names, 2025
Kailynn fell from #1,128 in 2015 to #2,343 in 2025 among girls’ names; its share of girls born fell from 0.13 to 0.05 per 1,000.
290 babies in 2011, the peak
Kailynn peaked in 2011, when 290 girls were given it, #899 among girls’ names. The 78 births of 2025 are 27% of that peak.
| Year | Births | Rank | Per 1,000 girls |
|---|---|---|---|
| 2025 | 78 | #2,343 | 0.05 |
| 2024 | 95 | #2,047 | 0.06 |
| 2023 | 101 | #1,953 | 0.06 |
| 2022 | 105 | #1,910 | 0.06 |
| 2021 | 122 | #1,703 | 0.07 |
| 2020 | 129 | #1,620 | 0.08 |
| 2019 | 122 | #1,712 | 0.07 |
| 2018 | 154 | #1,437 | 0.09 |
| 2017 | 159 | #1,432 | 0.09 |
| 2016 | 184 | #1,303 | 0.10 |
Every recorded year (41)
| Year | Births | Rank | Per 1,000 girls |
|---|---|---|---|
| 2015 | 226 | #1,128 | 0.13 |
| 2014 | 258 | #1,014 | 0.14 |
| 2013 | 235 | #1,060 | 0.13 |
| 2012 | 271 | #943 | 0.15 |
| 2011 | 290 | #899 | 0.16 |
| 2010 | 230 | #1,084 | 0.13 |
| 2009 | 247 | #1,050 | 0.13 |
| 2008 | 226 | #1,141 | 0.12 |
| 2007 | 209 | #1,204 | 0.11 |
| 2006 | 150 | #1,476 | 0.08 |
| 2005 | 132 | #1,550 | 0.07 |
| 2004 | 125 | #1,580 | 0.07 |
| 2003 | 113 | #1,693 | 0.06 |
| 2002 | 98 | #1,829 | 0.05 |
| 2001 | 89 | #1,943 | 0.05 |
| 2000 | 90 | #1,889 | 0.05 |
| 1999 | 80 | #1,966 | 0.05 |
| 1998 | 68 | #2,134 | 0.04 |
| 1997 | 49 | #2,601 | 0.03 |
| 1996 | 57 | #2,324 | 0.03 |
| 1995 | 56 | #2,350 | 0.03 |
| 1994 | 39 | #3,004 | 0.02 |
| 1993 | 36 | #3,181 | 0.02 |
| 1992 | 26 | #4,010 | 0.01 |
| 1991 | 15 | #6,072 | 0.01 |
| 1990 | 19 | #4,943 | 0.01 |
| 1989 | 20 | #4,568 | 0.01 |
| 1988 | 6 | #10,976 | under 0.01 |
| 1987 | 10 | #7,015 | 0.01 |
| 1986 | 6 | #10,087 | under 0.01 |
| 1985 | 7 | #8,725 | under 0.01 |
Ranks and shares: girls’ names in each year’s SSA file; share of all girls SSA recorded that year.
Is Kailynn a boy’s or a girl’s name?
Kailynn has been given almost only to girls: 15 boys in 41 years of records.
Girls and boys named Kailynn: the SSA national file counts each sex separately.
How many people are named Kailynn, and how old are they?
4,700 alive in 2026, estimated
That is 99% of the 4,747 Americans ever recorded as Kailynn. The median Kailynn alive today is 15 years old; half are between 10 and 20.
The 2020 Census counted 3,360 people named Kailynn (3,344 women and girls, 16 men and boys). SSA’s births carried forward to Census day, April 1, 2020, predict 4,102 born in the U.S. The Census count is 18% below that prediction. Possible reasons: people who give a short form or another name to the Census, and a survival estimate that can run high.
Alive today, by age
Alive today, by generation
| Generation | Born | Alive |
|---|---|---|
| Millennials | 1981-1996 | 291 |
| Generation Z | 1997-2012 | 2,440 |
| Generation Alpha | 2013-2025 | 1,970 |
An estimate, not a count. SSA’s files count people born in the United States who received a Social Security number, so anyone born abroad is not in them; before 1937 most people got a number as adults, and their survival is counted from that age.
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 Kailynn born?
The states with the most babies named Kailynn are Texas, Florida and Georgia, with 67% of its births recorded by state in 2025.
| State | Births 2025 | Rank, girls | vs. national |
|---|---|---|---|
| Texas | 8 | #2,514 | 1.0× |
| Florida | 7 | #1,774 | 1.0× |
| Georgia | 7 | #1,281 | 1.1× |
| Pennsylvania | 6 | #1,309 | 0.5× |
| Michigan | 5 | #1,315 | 0.8× |
Where Kailynn is more common than its national share predicts
Relative to its national share, Kailynn is most over-represented in Georgia: since 1985 it was given 1.1 times as often there as its national share each year would predict.
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 Kailynn 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 Kailynn?
Kailynn is a less common spelling of Kaylin: SSA has recorded 4,747 Kailynn and 19,934 Kaylin since 1880.
Of these 8 names spelled alike, given to 92,375 babies since 1880, Kailynn is the eighth most given (5.1% of them). In 2025 it was given to 78 of their 728 babies (11%), 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 Kailynn
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 Kailynn and names like it
- Compare Kailynn and KaylinBirths, ranks, peak and the living estimate side by side.
- The most given names of the 2010sKailynn peaked in 2011.
- Texas’s most given namesThe state where SSA recorded the most babies named Kailynn since 1910.
- The top names of 2011The year the most babies were named Kailynn.
- The names of Generation ZMost people named Kailynn alive today were born 1997-2012.
- Names starting with KMost given first.