Dilon
- US rank
- Unranked
- Syllables
- 2
- Peak
- #2,989 in 1991
0 babies were named Dilon in the US in 2025.
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US births per million boys, 1987–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Dilon you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryDilon first shows up in US birth records in 1987, the first year at least 5 babies got it. It has been in use for 38 years since.
- Best yearIts best year was 1991, when it reached #2,989.
About the name Dilon
Dilon is a boy name of Irish and Welsh origin. It has 5 letters and 2 syllables, starting with D and ending in “-lon”. US birth records list Dilon for boys from 1987 to 2023, in 30 of those 37 years. Its best year was 1991, when it ranked #2,989 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:Irish namesWelsh names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1980s | 2.1 | 483,871 boys |
| 1990s | 8.0 | 125,000 boys |
| 2000s | 9.9 | 101,317 boys |
| 2010s | 3.0 | 335,570 boys |
| 2020s | 0.7 | 1,379,310 boys |
Other spellings of Dilon
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 Dilon
What is the origin of the name Dilon?
Dilon has Irish, Welsh roots in our records. Other Irish names include Liam, Owen, Logan.
Is Dilon a boy or girl name?
Dilon is a boy name.
How popular is the name Dilon?
Dilon 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 #2,989 in 1991.