Isidoro
Boy name · Greek · Italian · Spanish
- US rank
- Unranked
- Syllables
- 4
- Peak
- #1,480 in 1929
0 babies were named Isidoro in the US in 2025.
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US births per million boys, 1913–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Isidoro you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryIsidoro first shows up in US birth records in 1913, the first year at least 5 babies got it. It has been in use for 112 years since.
- Best yearIts best year was 1929, when it reached #1,480.
About the name Isidoro
Isidoro is a boy name of Greek, Italian and Spanish origin. It has 7 letters and 4 syllables, starting with I and ending in “-oro”. US birth records list Isidoro for boys from 1913 to 2023, in 102 of those 111 years. Its best year was 1929, when it ranked #1,480 among boy names. It hasn't been given to 5 or more US babies in a year since 2023, so today it's a genuinely rare choice.
Origin:Greek namesItalian namesSpanish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1910s | 7.6 | 132,325 boys |
| 1920s | 12 | 84,104 boys |
| 1930s | 12 | 86,059 boys |
| 1940s | 7.6 | 131,752 boys |
| 1950s | 7.1 | 140,056 boys |
| 1960s | 6.3 | 159,744 boys |
| 1970s | 8.8 | 114,025 boys |
| 1980s | 8.2 | 121,507 boys |
| 1990s | 8.1 | 124,069 boys |
| 2000s | 5.5 | 180,180 boys |
| 2010s | 1.8 | 549,451 boys |
| 2020s | 3.2 | 312,500 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 Isidoro
What is the origin of the name Isidoro?
Isidoro has Greek, Italian, Spanish roots in our records. Other Greek names include Theodore, Mateo, Lucas.
Is Isidoro a boy or girl name?
Isidoro is a boy name.
How popular is the name Isidoro?
Isidoro is rare: fewer than 5 US boys got it in 2025, and it was last given to 5 or more in 2023. It peaked at #1,480 in 1929.