Girls' name · peaked in 2000
Kaitlyn name popularity since 1925
166,921 babies born in the US from 1925 to 2025 were named Kaitlyn. Half of them were born in 2000 or earlier, so the typical Kaitlyn is about 26 years old in 2026. Kaitlyn peaked in 2000 as the #30 name for girls, and it ranked #802 in 2025.
Key facts
- US babies since 1925
- 166,921
- Named Kaitlyn, 1925–2025
- In 2025
- #802
- for girls in 2025 (340 babies)
- Girls / boys
- 99.9% girls
- 166,689 girls · 232 boys
- Most popular in
- Nevada
- 1.54× its national share
Peak year is the year Kaitlyn 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.
Kaitlyn births per year, 1925–2025
2000 was the biggest year for Kaitlyn both by count and as a share of all babies.
- Fastest rise: Between 1982 and 1987, Kaitlyn became 12× more common, from 1 in 12,300 baby girls to 1 in 1,020.
- Steepest fall: Between 2011 and 2016, its share of baby girls fell by 66%, from 1 in 605 to 1 in 1,770.
Shaded on the chart. Both compare Kaitlyn's share of all US girls five years apart, counting only years with at least 100 babies named Kaitlyn.
Decade by decade
Babies named Kaitlyn 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 | 0 | 0 | Under 5 |
| 1950s | 0 | 0 | Under 5 |
| 1960s | 0 | 0 | Under 5 |
| 1970s | 76 | 0 | #7,502 |
| 1980s | 10,890 | 38 | #284 |
| 1990s | 67,567 | 82 | #42 |
| 2000s | 66,909 | 112 | #34 |
| 2010s | 18,357 | 0 | #197 |
| 2020–25 | 2,890 | 0 | #802 |
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
59.3% of babies named Kaitlyn from 1925 to 2025 were born in the Gen Z years (1997–2012). The full split by generation:
Where Kaitlyn is most popular
The index compares Kaitlyn'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 Kaitlyn.
| State | Index | Babies |
|---|---|---|
| Nevada | 1.54× | 924 |
| Alaska | 1.50× | 374 |
| New Hampshire | 1.49× | 786 |
| Delaware | 1.44× | 503 |
| Florida | 1.36× | 8,231 |
Other spellings
Spellings that sound like Kaitlyn 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 |
|---|---|---|
| Kaitlyn (this page) | 166,689 | 2000 |
| Kaitlin | 57,355 | 1995 |
| Caitlyn | 52,603 | 1998 |
| Kaitlynn | 16,419 | 1999 |
| Kaytlyn | 2,722 | 1998 |
| Kaitlan | 1,119 | 1990 |
Names with a similar story
Of the other 499 names on this site, these six had the share of babies closest in shape to Kaitlyn's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Kaitlyn.
Names from the same era
Other common names that peaked within two years of Kaitlyn (2000).
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