boy's name
Dillan
- Gender Boy
- Syllables 2
- Letters 6
- Popularity Uncommon
- Births on record 8,996
Northern Ireland
#447
2014 births
Dillan is a boy's name with 2 syllables. In 2025 it was given to 37 babies in the United States. It is used consistently but remains uncommon.
- Peaked in 1992, when 341 babies were given the name.
- It has been falling over the past decade.
- Today about 1 in 89,606 babies in the United States is given this name.
- First appears in US birth records in 1975.
- 2 syllables, with the stress on syllable 1.
Dillan over time
Births per decade in the United States, 1970s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 1970s | 10 |
| 1980s | 153 |
| 1990s | 2,674 |
| 2000s | 2,859 |
| 2010s | 1,344 |
| 2020s (to 2025) | 347 |
How popular is Dillan?
In 2025, Dillan was given to 37 babies in the United States. It is used consistently but remains uncommon.
Where Dillan is used
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
Names that peaked alongside Dillan
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Dillan also like
Names whose popularity has risen and fallen in step with Dillan over the last century — the same taste, a different name.
Sibling names for Dillan
Names from the same era that won't rhyme or share an initial with Dillan — the two things that make a sibling set grate.
Common questions about Dillan
How popular is the name Dillan?
In 2025, Dillan was given to 37 babies in the United States. It is used consistently but remains uncommon.
Is Dillan a girl's or a boy's name?
Dillan is given almost entirely to boys in birth records.
How many syllables are in Dillan?
Dillan has 2 syllables.
When was Dillan most popular?
Dillan peaked in 1992, when 341 babies were given the name. It has been falling over the past decade.
Is Dillan a good name?
That is not something records can settle, but they can tell you what you would be choosing. Dillan currently ranks #3,099 in the United States. It has been falling over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.