Erastus
- US rank
- Unranked
- Syllables
- 3
- Peak
- #392 in 1880
0 babies were named Erastus in the US in 2025.
Save adds it to your list. Vote moves it up the top voted names.
US births per million boys, 1880–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Erastus you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryErastus has been in use since at least 1880, the first year US birth records were kept. That's 145 years of Erastuss, and counting.
- Best yearIts best year was 1880, when it reached #392.
About the name Erastus
Erastus is a boy name of Greek origin. It has 7 letters and 3 syllables, starting with E and ending in “-tus”. US birth records list Erastus for boys from 1880 to 1957, in 41 of those 78 years. Its best year was 1880, when it ranked #392 among boy names. It hasn't been given to 5 or more US babies in a year since 1957, so today it's a genuinely rare choice.
Origin:Greek names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1880s | 93 | 10,765 boys |
| 1890s | 31 | 32,457 boys |
| 1900s | 7.2 | 138,504 boys |
| 1910s | 14 | 69,444 boys |
| 1920s | 9.3 | 107,066 boys |
| 1930s | 2.2 | 462,963 boys |
| 1940s | 1.2 | 840,336 boys |
| 1950s | 0.3 | 3,478,261 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 Erastus
What is the origin of the name Erastus?
Erastus has Greek roots in our records. Other Greek names include Theodore, Mateo, Lucas.
Is Erastus a boy or girl name?
Erastus is a boy name.
How popular is the name Erastus?
Erastus is rare: fewer than 5 US boys got it in 2025, and it was last given to 5 or more in 1957. It peaked at #392 in 1880.