Petro
- US rank
- Unranked
- Syllables
- 2
- Peak
- #2,765 in 1920
0 babies were named Petro in the US in 2025.
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US births per million boys, 1918–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Petro you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryPetro first shows up in US birth records in 1918, the first year at least 5 babies got it. It has been in use for 107 years since.
- Best yearIts best year was 1920, when it reached #2,765.
About the name Petro
Petro is a boy name of Greek origin. It has 5 letters and 2 syllables, starting with P and ending in “-tro”. US birth records list Petro for boys from 1918 to 2015, in 24 of those 98 years. Its best year was 1920, when it ranked #2,765 among boy names. It hasn't been given to 5 or more US babies in a year since 2015, so today it's a genuinely rare choice.
Origin:Greek names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1910s | 3.0 | 338,983 boys |
| 1920s | 4.3 | 234,192 boys |
| 1930s | 1.0 | 970,874 boys |
| 1950s | 0.6 | 1,612,903 boys |
| 1960s | 0.7 | 1,369,863 boys |
| 1970s | 2.6 | 377,358 boys |
| 1980s | 0.6 | 1,694,915 boys |
| 1990s | 0.3 | 4,000,000 boys |
| 2000s | 0.3 | 4,000,000 boys |
| 2010s | 0.4 | 2,307,692 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 Petro
What is the origin of the name Petro?
Petro has Greek roots in our records. Other Greek names include Theodore, Mateo, Lucas.
Is Petro a boy or girl name?
Petro is a boy name.
How popular is the name Petro?
Petro is rare: fewer than 5 US boys got it in 2025, and it was last given to 5 or more in 2015. It peaked at #2,765 in 1920.