Girls' name · peaked in 1999
Kaitlynn name popularity since 1925
16,424 babies born in the US from 1925 to 2025 were named Kaitlynn. Half of them were born in 2001 or earlier, so the typical Kaitlynn is about 25 years old in 2026. Kaitlynn peaked in 1999 as the #361 name for girls, and it was outside the top 1,000 in 2025.
Key facts
- US babies since 1925
- 16,424
- Named Kaitlynn, 1925–2025
- In 2025
- Not top 1,000
- #3,676 for girls in 2025
- Girls / boys
- 100.0% girls
- 16,419 girls · 5 boys
- Most popular in
- Arizona
- 1.68× its national share
Peak year is the year Kaitlynn 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.
Kaitlynn births per year, 1925–2025
1999 was the biggest year for Kaitlynn both by count and as a share of all babies.
- Fastest rise: Between 1988 and 1993, Kaitlynn became 3.5× more common, from 1 in 10,800 baby girls to 1 in 3,040.
- Steepest fall: Between 2013 and 2018, its share of baby girls fell by 64%, from 1 in 5,620 to 1 in 15,600.
Shaded on the chart. Both compare Kaitlynn's share of all US girls five years apart, counting only years with at least 100 babies named Kaitlynn.
Decade by decade
Babies named Kaitlynn 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 | 0 | 0 | Under 5 |
| 1980s | 609 | 0 | #3,565 |
| 1990s | 6,280 | 0 | #378 |
| 2000s | 6,598 | 5 | #476 |
| 2010s | 2,587 | 0 | #989 |
| 2020–25 | 345 | 0 | #3,676 |
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
61.9% of babies named Kaitlynn from 1925 to 2025 were born in the Gen Z years (1997–2012). The full split by generation:
Where Kaitlynn is most popular
The index compares Kaitlynn'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 Kaitlynn.
| State | Index | Babies |
|---|---|---|
| Arizona | 1.68× | 326 |
| Indiana | 1.61× | 570 |
| Washington | 1.58× | 395 |
| Florida | 1.48× | 800 |
| Kentucky | 1.36× | 340 |
Other spellings
Spellings that sound like Kaitlynn 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 |
|---|---|---|
| Kaitlynn (this page) | 16,419 | 1999 |
| Kaitlyn | 166,689 | 2000 |
| Caitlynn | 4,947 | 1998 |
| Kaytlynn | 1,285 | 2001 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Kaitlynn's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Kaitlynn.
Names from the same era
Other common names that peaked within two years of Kaitlynn (1999).
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