boy's name
Cosimo
KOZ-ee-moh
- Origin Italian
- Gender Boy
- Syllables 3
- Letters 6
- Popularity Rare
- Births on record 1,421
Cosimo is a boy's name with 3 syllables. In 2025 it was given to 16 babies in the United States. It is a rare choice.
- Cosimo is a name of Italian origin.
- Peaked in 1927, when 30 babies were given the name.
- After peaking in the 1920s it fell out of use, and is now climbing again — a classic revival.
- Today about 1 in 207,211 babies in the United States is given this name.
- First appears in US birth records in 1911.
- 3 syllables, with the stress on syllable 1.
Cosimo Over Time
Births per decade in the United States, 1910s to 2020s. The striped bar is the 2020s, which so far covers 2020 to 2025.
Show the numbers
| Decade | Births |
|---|---|
| 1910s | 123 |
| 1920s | 218 |
| 1930s | 91 |
| 1940s | 92 |
| 1950s | 70 |
| 1960s | 62 |
| 1970s | 40 |
| 1980s | 50 |
| 1990s | 37 |
| 2000s | 68 |
| 2010s | 80 |
| 2020s (to 2025) | 85 |
How Popular Is Cosimo?
In 2025, Cosimo was given to 16 babies in the United States. It is a rare choice.
Where Cosimo 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 Cosimo
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents Who Like Cosimo Also Like
Names whose popularity has risen and fallen in step with Cosimo over the last century — the same taste, a different name.
How to Say Cosimo
- Pronunciation KOZ-ee-moh
Sibling Names for Cosimo
Names from the same era that do not rhyme or share an initial with Cosimo — the two things that make a sibling set grate.
Common Questions About Cosimo
How popular is the name Cosimo?
In 2025, Cosimo was given to 16 babies in the United States. It is a rare choice.
Is Cosimo a girl's or a boy's name?
Cosimo is given almost entirely to boys in birth records.
How many syllables are in Cosimo?
Cosimo has 3 syllables.
When was Cosimo most popular?
Cosimo peaked in 1927, when 30 babies were given the name. After peaking in the 1920s it fell out of use, and is now climbing again — a classic revival.
Is Cosimo a good name?
That is not something records can settle, but they can tell you what you would be choosing. Cosimo currently ranks #3,205 in the United States. After peaking in the 1920s it fell out of use, and is now climbing again — a classic revival. Everything else — how it sounds with your surname, who it reminds you of — is yours.