Kailyn
About 14,351 American babies have been named Kailyn since 1981, most of them around 2011. In 2025 it ranked 1,818th. About 14,000 Kailyns are alive in the United States today, and half of them are over 17.
Popularity, 1880–2025
girls named Kailyn boys named Kailyn
By the numbers
- Total US births
- 14,351
- Estimated living today
- 14,000
- Median age today
- 17
- Peak year
- 2011
- Best rank
- 397th
- Rank in 2025
- 1,818th
- First recorded
- 1981
- Girls / boys
- 14,211 / 140
How old the living Kailyns are
born that year still alive today
Of the 14,351 babies given the name since 1981, about 14,000 are alive — 99 in every hundred. Roughly 7,300 of them are children and 0 are 65 or over. The dotted line is the median: half were born before 2008 and half after.
An estimate, not a count. SSA births aged forward through SSA cohort life tables, which know nothing about who left the country or arrived in it — so for a name that mostly came to America rather than being born in it, this is a floor rather than a figure. Where you fall among living Americans.
Where Kailyn is most common
Relative to how many babies each state records, Kailyn is most concentrated in Florida (1.9×), Louisiana (1.9×), Georgia (1.8×), South Carolina (1.5×).
Total births recorded in each state since 1910. Browse names by state.
Names of 2011
The most popular girls’ names the year Kailyn peaked:
Kailyn elsewhere
| Country | Spelling | Births | Best rank |
|---|---|---|---|
| England and Wales girls | Kailyn | 62 | 2,432nd |
| Scotland girls | Kailyn | 34 | 394th |
| France girls | Kailyn +1 spelling | 25 | 5,577th |
| Ireland girls | Kailyn | 3 | 862nd |
Counts come from each country's own records and are not comparable with the US figures above, which cover different years and a different definition of a recorded name. Where a country writes the name several ways, the spellings are added together and the most common is shown. A row marked name registrations is counting something else: Portugal ranks each of a child's two given names separately, so a girl registered Maria Leonor is in both the Maria row and the Leonor row, and that figure is not a number of children.
Related names
Kailyn against another name
Two names on one chart, with the year one overtook the other.
Try it on yourself
Source: US Social Security Administration, national and state baby-name files, 1880–2025. Counts include only births registered with the SSA, and names with fewer than five births in a year are not published. The living estimate applies SSA cohort life tables to those births; it counts people born in the United States, so it misses anyone who arrived later and anyone who has left.