Karolyn Girl
How popular is Karolyn?
#6,324 girl name in 2025
18 baby girls were named Karolyn in the US in 2025, making it the 6324th most popular girl name.
Karolyn popularity over time
| Rank in 2025 | #6,324 for girls (▼ 712 from 2024) |
|---|---|
| Babies in 2025 | 18 girls |
| 10-year trend | Steady (-10% babies vs 2015) |
| Earlier ranks | #6,234 in 2015, #6,625 in 2020 |
| Peak year | 1946 (167 girls) |
| Highest rank | #571 in 1941 |
| First recorded | 1912 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Karolyn counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Caroline family of names ranked #107 for girls in 2025 (#102 the year before), with 3,137 babies in all.
| Spelling | Girls in 2025 | Share |
|---|---|---|
| Caroline | 2,646 | 84% |
| Carolyn | 185 | 6% |
| Karoline | 119 | 4% |
| Carolynn | 45 | 1% |
| Caraline | 15 | 0% |
| Karolyn | 18 | 1% |
| Karaline | 14 | 0% |
| Karlyn | 17 | 1% |
| Carlyn | 12 | 0% |
| Carlynn | 5 | 0% |
| Carolyne | 9 | 0% |
| Karalynn | 7 | 0% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Karolyn is most popular
Babies named Karolyn per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
Karolyn by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1910s | 47 | #2,518 |
| 1920s | 111 | #2,075 |
| 1930s | 472 | #664 |
| 1940s | 1,355 | #571 |
| 1950s | 791 | #926 |
| 1960s | 869 | #996 |
| 1970s | 651 | #1,315 |
| 1980s | 470 | #1,935 |
| 1990s | 468 | #2,123 |
| 2000s | 360 | #3,252 |
| 2010s | 252 | #4,000 |
| 2020s | 111 | #5,462 |
Girl names about as popular as Karolyn
Questions
- Is Karolyn a boy or girl name?
- Karolyn is mostly a girl name. Over the last 10 years, 100% of babies named Karolyn were girls.
- How popular is the name Karolyn?
- 18 baby girls were named Karolyn in the US in 2025, making it the 6324th most popular girl name.
- When was Karolyn most popular?
- Karolyn peaked in 1946, when 167 girls were given the name. Its highest rank was #571 in 1941.
- How many people are named Karolyn?
- 5,957 babies have been named Karolyn in the US since 1880. We estimate about 4,637 of them are alive in 2026, with a median age of 57.
- Where is Karolyn most popular?
- From 2021 to 2025, Karolyn was most common in Florida, at 0.0 of every 1,000 girls born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.