Illias
- US rank
- Unranked
- Syllables
- 2
- Peak
- #5,111 in 2017
0 babies were named Illias in the US in 2025.
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US births per million boys, 2004–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Illias you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryIllias first shows up in US birth records in 2004, the first year at least 5 babies got it. That makes it a fairly new name, younger than many of today's parents.
- Best yearIts best year was 2017, when it reached #5,111.
About the name Illias
Illias is a boy name of Greek origin. It has 6 letters and 2 syllables, starting with I and ending in “-ias”. US birth records list Illias for boys from 2004 to 2023, in 15 of those 20 years. Its best year was 2017, when it ranked #5,111 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 names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 2000s | 1.9 | 526,316 boys |
| 2010s | 4.5 | 221,239 boys |
| 2020s | 2.8 | 363,636 boys |
Other spellings of Illias
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 Illias
What is the origin of the name Illias?
Illias has Greek roots in our records. Other Greek names include Theodore, Mateo, Lucas.
Is Illias a boy or girl name?
Illias is a boy name.
How popular is the name Illias?
Illias 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 #5,111 in 2017.