Dillon: Meaning, origin and popularity
Pronounced DIL-uhn · 2 syllables
From the Irish surname, from Breton Leon and Norman Leon, named after Sir Henry de Leon of the Viscounty of Leon. Related to the surname Lyon. Unrelated to the name Dylan, although the homophony may result in the two being considered variant spellings of the same name.
- Origin
- Irish, Welsh, French
- Pronunciation
- DIL-uhn
- US rank (2025)
- #929
- US babies a year
- about 377 (2021–2025)
- Peak
- around 1990
How popular is Dillon?
Dillon was the #929 name in the US in 2025, given to 294 babies. It’s used less than it was: down 55% on 2011–2015. It peaked around 1990.
Around the world
| Country | Rank |
|---|---|
| United States | #929 |
| England & Wales | #588 |
| Scotland | #476 |
| Northern Ireland | #334 |
| Ireland | #780 |
| Australia | #454 |
How old are people named Dillon?
Half of US adults named Dillon are older than 30; most are between 19 and 39. (Estimated from US births by year and life tables.)
Names like Dillon
Chosen by the same families or with a similar style and era.
On these lists
Questions about Dillon
How do you pronounce Dillon?
Dillon is pronounced DIL-uhn.
How popular is the name Dillon?
Dillon was the #929 name in the US in 2025, given to 294 babies. It’s used less than it was: down 55% on 2011–2015. It peaked around 1990.
How old are people named Dillon?
Half of US adults named Dillon are older than 30. Most are between 19 and 39.