Hilarion
- US rank
- Unranked
- Syllables
- 3
- Peak
- #4,179 in 1918
0 babies were named Hilarion 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 Hilarion you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryHilarion 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 1918, when it reached #4,179.
About the name Hilarion
Hilarion is a boy name of Latin origin. It has 8 letters and 3 syllables, starting with H and ending in “-ion”. US birth records list Hilarion for boys from 1918 to 2004, in 3 of those 87 years. Its best year was 1918, when it ranked #4,179 among boy names. It hasn't been given to 5 or more US babies in a year since 2004, so today it's a genuinely rare choice.
Origin:Latin names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1910s | 2.5 | 408,163 boys |
| 1920s | 0.5 | 2,222,222 boys |
| 2000s | 0.5 | 2,000,000 boys |
More Latin boy names
- Boy name: Oliver · olive tree
- Boy name: Theodore · gift of God
- Boy name: Lucas · man from Lucania
- Unisex name: Elias · my God is Yahweh
- Unisex name: Luca · man from Lucania
- Boy name: Sebastian · venerable
- Boy name: Leo · lion
- Boy name: Alexander · defender of men
Questions about the name Hilarion
What is the origin of the name Hilarion?
Hilarion has Latin roots in our records. Other Latin names include Oliver, Theodore, Lucas.
Is Hilarion a boy or girl name?
Hilarion is a boy name.
How popular is the name Hilarion?
Hilarion is rare: fewer than 5 US boys got it in 2025, and it was last given to 5 or more in 2004. It peaked at #4,179 in 1918.