3,681births recorded
4Countries
1Variants
1999Peak · Ireland
#5399United States 2025
Dillion is a boy name family recorded 3,681 times in 4 countries since 1979. It ranks highest today in the United States (#5399 in 2025). Its all-time peak was in Ireland in 1999, at 16.0 births per 100,000.
Popularity by country
Births per 100,000 newborns, all forms of the name combined.
All forms of Dillion
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Dillion | English | 3,661 | 🇺🇸 United States | #5399 | 1992 | ▼ 14 % |
| Dillion | English | 8 | 🇨🇦 Ontario | – | 1992 | – |
| Dillion | English | 7 | 🇮🇪 Ireland | – | 1999 | – |
| Dillion | English | 5 | 🇨🇦 Alberta | – | 1994 | – |
Questions about Dillion
How popular is the name Dillion?
In 2025 it ranked #5399 in the United States. Official registers record 3,681 births across 4 countries.
When was Dillion most popular?
It peaked in Ireland in 1999, at 16.0 births per 100,000.
Is Dillion a boy or a girl name?
In official birth registers, Dillion is a boy name.