Cy Boy
How popular is Cy?
#2,539 boy name in 2025
52 baby boys were named Cy in the US in 2025, making it the 2539th most popular boy name.
3,496living people named Cy (est.)
22median age of people named Cy
3,921babies named Cy since 1880
1 in 63,757US babies born in 2025
Cy popularity over time
Boys Girls
| Rank in 2025 | #2,539 for boys (▼ 194 from 2024) |
|---|---|
| Babies in 2025 | 52 boys |
| 10-year trend | Steady (-15% babies vs 2015) |
| Earlier ranks | #2,212 in 2015, #2,139 in 2020 |
| Peak year | 2010 (117 boys) |
| Highest rank | #1,012 in 1902 |
| First recorded | 1902 |
| Boys vs girls (last 10 years) | 98% boys, 2% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Where Cy is most popular
Babies named Cy per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
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- New York: 0.1 per 1,000 (26 boys)
- California: 0.0 per 1,000 (41 boys)
- Texas: 0.0 per 1,000 (33 boys)
- Washington: 0.0 per 1,000 (6 boys)
- Pennsylvania: 0.0 per 1,000 (6 boys)
Cy by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1900s | 11 | #1,012 |
| 1910s | 81 | #1,526 |
| 1920s | 63 | #2,346 |
| 1930s | 61 | #2,266 |
| 1940s | 78 | #1,987 |
| 1950s | 211 | #1,338 |
| 1960s | 196 | #1,668 |
| 1970s | 300 | #1,453 |
| 1980s | 346 | #1,411 |
| 1990s | 501 | #1,557 |
| 2000s | 892 | #1,401 |
| 2010s | 803 | #1,415 |
| 2020s | 355 | #2,013 |
Boy names about as popular as Cy
Questions
- Is Cy a boy or girl name?
- Cy is mostly a boy name. Over the last 10 years, 98% of babies named Cy were boys.
- How popular is the name Cy?
- 52 baby boys were named Cy in the US in 2025, making it the 2539th most popular boy name.
- When was Cy most popular?
- Cy peaked in 2010, when 117 boys were given the name. Its highest rank was #1,012 in 1902.
- How many people are named Cy?
- 3,921 babies have been named Cy in the US since 1880. We estimate about 3,496 of them are alive in 2026, with a median age of 22.
- Where is Cy most popular?
- From 2021 to 2025, Cy was most common in New York, at 0.1 of every 1,000 boys 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.