Dillen
Boy name · French · Irish · Welsh
- US rank
- Unranked
- Syllables
- 2
- Peak
- #2,046 in 1992
0 babies were named Dillen in the US in 2025.
Found on lists
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US births per million boys, 1991–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Dillen you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryDillen first shows up in US birth records in 1991, the first year at least 5 babies got it. It has been in use for 34 years since.
- Best yearIts best year was 1992, when it reached #2,046.
About the name Dillen
Dillen is a boy name of French, Irish and Welsh origin. It has 6 letters and 2 syllables, starting with D and ending in “-len”. US birth records list Dillen for boys from 1991 to 2023, in 31 of those 33 years. Its best year was 1992, when it ranked #2,046 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:French namesIrish namesWelsh names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1990s | 15 | 66,470 boys |
| 2000s | 15 | 65,189 boys |
| 2010s | 6.0 | 167,224 boys |
| 2020s | 1.4 | 689,655 boys |
Other spellings of Dillen
More French boy names
- Boy name: Sebastian · venerable
- Boy name: Leo · lion
- Boy name: Daniel · God is my judge
- Unisex name: Gabriel · God is my strength
- Unisex name: Wyatt · brave in war
- Boy name: Charles · free man
- Unisex name: Beau · handsome
- Boy name: Robert · bright fame
Questions about the name Dillen
What is the origin of the name Dillen?
Dillen has French, Irish, Welsh roots in our records. Other French names include Sebastian, Leo, Daniel.
Is Dillen a boy or girl name?
Dillen is a boy name.
How popular is the name Dillen?
Dillen 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 #2,046 in 1992.