Girls' name · peaked in 2009
Kaylee name popularity since 1925
140,601 babies born in the US from 1925 to 2025 were named Kaylee. Half of them were born in 2007 or earlier, so the typical Kaylee is about 19 years old in 2026. Kaylee peaked in 2009 as the #26 name for girls, and it ranked #255 in 2025.
Key facts
- US babies since 1925
- 140,601
- Named Kaylee, 1925–2025
- In 2025
- #255
- for girls in 2025 (1,205 babies)
- Girls / boys
- 99.9% girls
- 140,425 girls · 176 boys
- Most popular in
- Nevada
- 2.21× its national share
Peak year is the year Kaylee made up the largest share of US girls, in records going back to 1880. Typical age is based on births from 1925 on, not on who is living today.
Kaylee births per year, 1925–2025
2009 was the biggest year for Kaylee both by count and as a share of all babies.
- Fastest rise: Between 1984 and 1989, Kaylee became 4.7× more common, from 1 in 8,820 baby girls to 1 in 1,870.
- Steepest fall: Between 2020 and 2025, its share of baby girls fell by 48%, from 1 in 692 to 1 in 1,330.
Shaded on the chart. Both compare Kaylee's share of all US girls five years apart, counting only years with at least 100 babies named Kaylee.
Decade by decade
Babies named Kaylee in each decade, and its rank among girls' names in the middle year of the decade (1935, 1945 … 2025).
| Decade | Girls | Boys | Rank |
|---|---|---|---|
| 1925–29 | 0 | 0 | – |
| 1930s | 0 | 0 | Under 5 |
| 1940s | 5 | 0 | Under 5 |
| 1950s | 5 | 0 | Under 5 |
| 1960s | 73 | 0 | Under 5 |
| 1970s | 186 | 0 | #2,914 |
| 1980s | 3,496 | 11 | #728 |
| 1990s | 25,214 | 14 | #127 |
| 2000s | 56,432 | 111 | #40 |
| 2010s | 44,629 | 40 | #61 |
| 2020–25 | 10,385 | 0 | #255 |
Ranks count every name given to at least 5 girls that year, so they can go past 1,000. "Under 5" means fewer than 5 girls got the name.
Generation fingerprint
61.0% of babies named Kaylee from 1925 to 2025 were born in the Gen Z years (1997–2012). The full split by generation:
Where Kaylee is most popular
The index compares Kaylee's share of babies in each state with its share nationwide, 1925–2025 (1.50× = 50% more common). States with at least 300 babies named Kaylee.
| State | Index | Babies |
|---|---|---|
| Nevada | 2.21× | 1,115 |
| Utah | 2.13× | 2,562 |
| Alaska | 1.89× | 397 |
| Idaho | 1.84× | 1,032 |
| Arizona | 1.50× | 2,753 |
Other spellings
Spellings that sound like Kaylee and were given to at least 1,000 girls from 1925 to 2025, with the year each one was most popular.
| Spelling | Girls | Peak year |
|---|---|---|
| Kaylee (this page) | 140,425 | 2009 |
| Kaylie | 22,101 | 2006 |
| Kailee | 12,925 | 2003 |
| Caylee | 9,769 | 2009 |
| Kayley | 8,586 | 1999 |
| Kayli | 7,134 | 2003 |
Names with a similar story
Of the other 499 names on this site, these six had the share of babies closest in shape to Kaylee's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Kaylee.
Names from the same era
Other common names that peaked within two years of Kaylee (2009).
Source: U.S. Social Security Administration national and state baby-name data, which covers names given to at least 5 babies of one sex in a year. About the data