boy's name
Cy
- Gender Boy
- Syllables 1
- Letters 2
- Popularity Uncommon
- Births on record 4,062
Cy is a boy's name with 1 syllable. In 2025 it was given to 52 babies in the United States. It is used consistently but remains uncommon.
- Peaked in 2010, when 117 babies were given the name.
- It has been falling over the past decade.
- Today about 1 in 63,759 babies in the United States is given this name.
- First appears in US birth records in 1902.
- 1 syllable, with the stress on syllable 1.
Cy over time
Births per decade in the United States, 1900s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 1900s | 11 |
| 1910s | 81 |
| 1920s | 63 |
| 1930s | 61 |
| 1940s | 78 |
| 1950s | 211 |
| 1960s | 196 |
| 1970s | 300 |
| 1980s | 346 |
| 1990s | 506 |
| 2000s | 897 |
| 2010s | 809 |
| 2020s (to 2025) | 362 |
How popular is Cy?
In 2025, Cy was given to 52 babies in the United States. It is used consistently but remains uncommon.
Where Cy is used
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
Names that peaked alongside Cy
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Cy also like
Names whose popularity has risen and fallen in step with Cy over the last century — the same taste, a different name.
Sibling names for Cy
Names from the same era that won't rhyme or share an initial with Cy — the two things that make a sibling set grate.
Common questions about Cy
How popular is the name Cy?
In 2025, Cy was given to 52 babies in the United States. It is used consistently but remains uncommon.
Is Cy a girl's or a boy's name?
Cy is given almost entirely to boys in birth records.
How many syllables are in Cy?
Cy has 1 syllable.
When was Cy most popular?
Cy peaked in 2010, when 117 babies were given the name. It has been falling over the past decade.
Is Cy a good name?
That is not something records can settle, but they can tell you what you would be choosing. Cy currently ranks #2,560 in the United States. It has been falling over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.