Aodhan vs Dillan
Aodhan and Dillancompared on official birth-registration statistics and Namewise's recorded data. This page states what each name's record shows — it never picks a winner or scores one name against the other.
Head to head
Ranks are only compared within one published list and one year. Two ranks from different years, from a boys' and a girls' list, or from different registrars are not comparable, so they are not placed side by side.
Northern Ireland · Boys
In 2014, Aodhan was ranked #65 and Dillan #398 among boys in Northern Ireland.
Republic of Ireland · Boys
In 2015, Aodhan was ranked #221 and Dillan #699 among boys in Republic of Ireland.
England and Wales · Boys
In 2024, Aodhan was ranked #5119 and Dillan #2443 among boys in England and Wales.
Aodhan and Dillan over time
Aodhan and Dillan appear together in 1 published list, across 27 years of shared records. Dillan held the stronger position in more years in 1 of them, Aodhan in 0.
In none of those lists did their order change and stay changed.
Aodhan reached its own highest recorded position earlier in 1 of those lists, and Dillan in none. Each position is a place inside its own list, so this compares when they peaked and never how high.
Counted list by list. Two names in the same published list are measured on the same scale in the same year, so those comparisons are real — but positions from different lists are not, so nothing here is combined into an overall standing.
How this pair is related
The relationship kinds these two qualify for, each under its own stated rule. Every one is drawn from a list they both appear in.
- Repeatedly exchanged positions
Aodhan and Dillan changed places 4 times in England and Wales · Boys between 1996 and 2024, ending at #5119 and #2443.
- Peaked in the same years
Both reached their highest recorded position in England and Wales · Boys within 2 years — Aodhan #1552 in 2000, Dillan #473 in 2001.
List by list
England and Wales · Boys27 shared years, 1996–2024
Aodhan held the stronger position in 3 of those years, Dillan in 24.
Highest recorded here: Aodhan #1552 in 2000, Dillan #473 in 2001.
The order between them never changed and held in this list.
Most recent shared year, 2024: Aodhan #5119, Dillan #2443.
Two names moving past each other in a ranking is a fact about the ranking. Namewise does not claim one name displaced the other, that families chose between them, or that either influenced the other — none of that is in this data.
Side by side
| Field | Aodhan | Dillan |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Official statistical record (evidence-only) |
| Gender usage | male | male |
| Meaning | Not yet recorded | Not yet recorded |
| Origin | Not yet recorded | Not yet recorded |
| Pronunciation | Not yet recorded | Not yet recorded |
| Syllables | 2 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, GB-NIR, GB-SCT, IE | GB-ENW, GB-NIR, IE |
| Most recent popularity observation | Republic of Ireland · Boys #829 (2025) | England and Wales · Boys #2443 (2024) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 88/100 | 88/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Aodhan and Dillan both have 2 syllables.
- Both names have recorded usage in GB-ENW, GB-NIR, IE.
How each name got here
Aodhan
Popularity journey
First recorded1977
First recorded at #333 among boys in Republic of Ireland in 1977 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded1997–2024
Highest recorded position: #52 among boys in Northern Ireland, in 2020 (recorded 1997–2024).
Northern Ireland · Boys
Most recent2025
Most recently recorded at #829 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys
Dillan
Popularity journey
First recorded1996
First recorded at #573 among boys in England and Wales in 1996 — the earliest year that source publishes this name, not necessarily the earliest it was used.
England and Wales · Boys
Highest recorded1997–2015
Highest recorded position: #242 among boys in Republic of Ireland, in 1998 (recorded 1997–2015).
Republic of Ireland · Boys
Most recent2024
Most recently recorded at #2443 among boys in England and Wales, in 2024.
England and Wales · Boys