Cynthia Girl
How popular is Cynthia?
#1,013 girl name in 2025
247 baby girls were named Cynthia in the US in 2025, making it the 1013th most popular girl name.
Cynthia popularity over time
Boys Girls
| Rank in 2025 | #1,013 for girls (▼ 184 from 2024) |
|---|---|
| Babies in 2025 | 247 girls |
| 10-year trend | Falling fast (-57% babies vs 2015) |
| Earlier ranks | #540 in 2015, #873 in 2020 |
| Peak year | 1957 (39,340 girls) |
| Highest rank | #7 in 1957 |
| First recorded | 1880 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
| Chance a classmate shares it | 0.2% in a class of 25 kids born in 2025 |
Cynthia counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Cynthia family of names ranked #846 for girls in 2025 (#738 the year before), with 272 babies in all.
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 Cynthia is most popular
Babies named Cynthia per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
- Wisconsin: 0.4 per 1,000 (39 girls)
- Oregon: 0.3 per 1,000 (22 girls)
- Kentucky: 0.3 per 1,000 (28 girls)
- Indiana: 0.3 per 1,000 (40 girls)
- Washington: 0.3 per 1,000 (41 girls)
Cynthia by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1880s | 582 | #197 |
| 1890s | 701 | #282 |
| 1900s | 694 | #360 |
| 1910s | 1,911 | #367 |
| 1920s | 3,661 | #297 |
| 1930s | 9,666 | #152 |
| 1940s | 58,061 | #27 |
| 1950s | 263,432 | #7 |
| 1960s | 196,597 | #8 |
| 1970s | 80,196 | #24 |
| 1980s | 41,666 | #59 |
| 1990s | 31,313 | #88 |
| 2000s | 15,172 | #164 |
| 2010s | 5,946 | #380 |
| 2020s | 1,855 | #806 |
Girl names about as popular as Cynthia
Questions
- Is Cynthia a boy or girl name?
- Cynthia is mostly a girl name. Over the last 10 years, 100% of babies named Cynthia were girls.
- How popular is the name Cynthia?
- 247 baby girls were named Cynthia in the US in 2025, making it the 1013th most popular girl name.
- When was Cynthia most popular?
- Cynthia peaked in 1957, when 39,340 girls were given the name. Its highest rank was #7 in 1957.
- How many people are named Cynthia?
- 713,412 babies have been named Cynthia in the US since 1880. We estimate about 602,684 of them are alive in 2026, with a median age of 64.
- Where is Cynthia most popular?
- From 2021 to 2025, Cynthia was most common in Wisconsin, at 0.4 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.