Cy
- US rank
- #2,539
- Syllables
- 1
- Peak
- #1,013 in 1902
52 babies were named Cy in the US in 2025. It has dropped 400 places in five years.
Found on lists
Save adds it to your list. Vote moves it up the top voted names.
US births per million boys, 1902–2025
Most popular states (2025)
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Cy you might not know, from US birth records and Wikipedia. Handy for convincing a partner, or a grandparent.
Famous Cy
Cy Young
American baseball player (1867–1955)
Choose Cy and your child shares a first name with Cy Young, an American baseball player. A ready-made answer when someone asks “Cy, like who?” Cy Young's Wikipedia article is available in 27 languages, a good sign of just how widely known they are.
Read about Cy Young on Wikipedia (opens in a new tab)Photo: Charles M. Conlon, Public domain (opens in a new tab), via Wikimedia Commons
- How commonAbout 1 in every 32,895 baby boys born in the US in 2025 was named Cy, 52 babies in all. In a typical school of 500 kids, your Cy would very likely be the only one.
- HistoryCy first shows up in US birth records in 1902, the first year at least 5 babies got it. It has been in use for 123 years since.
- Best yearIts best year was 1902, when it reached #1,013.
- TrendCy has slipped 400 places over the last five years and now sits at #2,539. Good news if you want a familiar name that fewer kids will share.
- Where it's lovedCy is most popular in New York, where it ranks #994. It's in the top 1,000 in 1 state.
- OriginCy is the #10 most popular Persian boy name in the US. That's out of 30 Persian boy and unisex names in our list.
About the name Cy
Cy is a boy name of Greek and Persian origin. It has 2 letters and 1 syllable, starting with C and ending in “-cy”. US birth records list Cy for boys from 1902 to 2025, in 112 of those 124 years. Its best year was 1902, when it ranked #1,013 among boy names. In 2025 it ranked #2,539, with 52 babies.
Origin:Greek namesPersian names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1900s | 10 | 96,386 boys |
| 1910s | 13 | 78,927 boys |
| 1920s | 5.7 | 174,825 boys |
| 1930s | 5.8 | 173,913 boys |
| 1940s | 5.1 | 196,464 boys |
| 1950s | 10 | 95,877 boys |
| 1960s | 10 | 98,717 boys |
| 1970s | 18 | 54,466 boys |
| 1980s | 19 | 53,191 boys |
| 1990s | 26 | 38,760 boys |
| 2000s | 45 | 22,457 boys |
| 2010s | 43 | 23,463 boys |
| 2020s | 34 | 29,183 boys |
More Greek boy names
- Boy name: Theodore · gift of God
- Boy name: Mateo · gift of God
- Boy name: Lucas · man from Lucania
- Unisex name: Elias · my God is Yahweh
- Boy name: Sebastian · venerable
- Boy name: Leo · lion
- Boy name: Thomas · twin
- Unisex name: Miles · possibly gracious
Questions about the name Cy
What is the origin of the name Cy?
Cy has Greek, Persian roots in our records. Other Greek names include Theodore, Mateo, Lucas.
Is Cy a boy or girl name?
Cy is a boy name.
How popular is the name Cy?
Cy ranked #2,539 for US boys in 2025, given to 52 babies. Its best year was 1902 (#1,013).