Killion
- US rank
- #10,695
- Syllables
- 2
- Peak
- #8,140 in 2017
6 babies were named Killion in the US in 2025.
Save adds it to your list. Vote moves it up the top voted names.
US births per million boys, 2009–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Killion you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 285,714 baby boys born in the US in 2025 was named Killion, 6 babies in all. In a typical school of 500 kids, your Killion would very likely be the only one.
- HistoryKillion first shows up in US birth records in 2009, 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 #8,140.
- New on the sceneKillion wasn't given to enough babies to be counted in 2000. It only took off after 2009.
About the name Killion
Killion is a boy name of Irish origin. It has 7 letters and 2 syllables, starting with K and ending in “-ion”. US birth records list Killion for boys from 2009 to 2025, in 8 of those 17 years. Its best year was 2017, when it ranked #8,140 among boy names. In 2025 it ranked #10,695, with 6 babies.
Origin:Irish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 2000s | 3.0 | 333,333 boys |
| 2010s | 1.8 | 568,182 boys |
| 2020s | 1.2 | 857,143 boys |
More Irish boy names
- Boy name: Liam · resolute protector
- Unisex name: Owen · well-born
- Unisex name: Logan · little hollow
- Unisex name: Nolan · descendant of Nuallán
- Unisex name: Gael · a Gael
- Boy name: Arthur · possibly bear
- Unisex name: Ryan · little king
- Boy name: Dominic · of the Lord
Questions about the name Killion
What is the origin of the name Killion?
Killion has Irish roots in our records. Other Irish names include Liam, Owen, Logan.
Is Killion a boy or girl name?
Killion is a boy name.
How popular is the name Killion?
Killion ranked #10,695 for US boys in 2025, given to 6 babies. Its best year was 2017 (#8,140).