Isador
- US rank
- Unranked
- Syllables
- 3
- Peak
- #1,066 in 1892
0 babies were named Isador in the US in 2025.
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US births per million boys, 1892–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Isador you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryIsador first shows up in US birth records in 1892, the first year at least 5 babies got it. It has been in use for 133 years since.
- Best yearIts best year was 1892, when it reached #1,066.
About the name Isador
Isador is a boy name of Greek origin. It has 6 letters and 3 syllables, starting with I and ending in “-dor”. US birth records list Isador for boys from 1892 to 2024, in 22 of those 133 years. Its best year was 1892, when it ranked #1,066 among boy names. It hasn't been given to 5 or more US babies in a year since 2024, so today it's a genuinely rare choice.
Origin:Greek names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1890s | 5.1 | 195,122 boys |
| 1900s | 8.6 | 116,009 boys |
| 1910s | 14 | 73,314 boys |
| 1920s | 4.2 | 236,967 boys |
| 1930s | 0.8 | 1,219,512 boys |
| 1940s | 1.0 | 1,010,101 boys |
| 2020s | 0.6 | 1,724,138 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 Isador
What is the origin of the name Isador?
Isador has Greek roots in our records. Other Greek names include Theodore, Mateo, Lucas.
Is Isador a boy or girl name?
Isador is a boy name.
How popular is the name Isador?
Isador is rare: fewer than 5 US boys got it in 2025, and it was last given to 5 or more in 2024. It peaked at #1,066 in 1892.