Girls' name · peaked in 1993
Katelyn name popularity since 1925
134,206 babies born in the US from 1925 to 2025 were named Katelyn. Half of them were born in 1999 or earlier, so the typical Katelyn is about 27 years old in 2026. Katelyn peaked in 1993 as the #54 name for girls, and it was outside the top 1,000 in 2025.
Key facts
- US babies since 1925
- 134,206
- Named Katelyn, 1925–2025
- In 2025
- Not top 1,000
- #1,077 for girls in 2025
- Girls / boys
- 99.9% girls
- 134,049 girls · 157 boys
- Most popular in
- Utah
- 2.00× its national share
Peak year is the year Katelyn 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.
Katelyn births per year, 1925–2025
1993 was the biggest year for Katelyn both by count and as a share of all babies.
- Fastest rise: Between 1981 and 1986, Katelyn became 12× more common, from 1 in 11,000 baby girls to 1 in 885.
- Steepest fall: Between 2013 and 2018, its share of baby girls fell by 70%, from 1 in 817 to 1 in 2,750.
Shaded on the chart. Both compare Katelyn's share of all US girls five years apart, counting only years with at least 100 babies named Katelyn.
Decade by decade
Babies named Katelyn 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 | 183 | 0 | #7,512 |
| 1980s | 14,775 | 40 | #191 |
| 1990s | 52,811 | 52 | #59 |
| 2000s | 47,840 | 55 | #59 |
| 2010s | 16,509 | 10 | #239 |
| 2020–25 | 1,931 | 0 | #1,077 |
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
53.6% of babies named Katelyn from 1925 to 2025 were born in the Gen Z years (1997–2012). The full split by generation:
Where Katelyn is most popular
The index compares Katelyn'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 Katelyn.
| State | Index | Babies |
|---|---|---|
| Utah | 2.00× | 2,291 |
| New Hampshire | 1.88× | 797 |
| Alaska | 1.76× | 352 |
| Nevada | 1.50× | 719 |
| Vermont | 1.50× | 337 |
Other spellings
Spellings that sound like Katelyn 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 |
|---|---|---|
| Katelyn (this page) | 134,049 | 1993 |
| Katelynn | 30,680 | 1998 |
| Katelin | 8,917 | 1995 |
| Catelyn | 2,294 | 2006 |
| Katilyn | 1,738 | 1998 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Katelyn's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Katelyn.
Names from the same era
Other common names that peaked within two years of Katelyn (1993).
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