Aodan vs Dennis
Aodan and Denniscompared 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.
Republic of Ireland · Boys
In 2017, Aodan was ranked #710 and Dennis #495 among boys in Republic of Ireland.
England and Wales · Boys
In 2000, Aodan was ranked #3036 and Dennis #527 among boys in England and Wales.
Aodan and Dennis over time
Aodan and Dennis appear together in 1 published list, across 17 years of shared records. Dennis held the stronger position in more years in 1 of them, Aodan in 0.
In none of those lists did their order change and stay changed.
Aodan reached its own highest recorded position earlier in 1 of those lists, and Dennis 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.
List by list
Republic of Ireland · Boys17 shared years, 1973–2017
Aodan held the stronger position in 0 of those years, Dennis in 15.
Highest recorded here: Aodan #254 in 1973, Dennis #179 in 1982.
The order between them never changed and held in this list.
Most recent shared year, 2017: Aodan #710, Dennis #495.
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 | Aodan | Dennis |
|---|---|---|
| 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 | |
| Syllables | 2 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, GB-NIR, IE | AU-NSW, GB-ENW, GB-NIR, IE, NO, NZ |
| Most recent popularity observation | Republic of Ireland · Boys #710 (2017) | Norway · Boys #156 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 94/100 | 88/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Aodan and Dennis both have 2 syllables.
- Both names have recorded usage in GB-ENW, GB-NIR, IE.
How each name got here
Aodan
Popularity journey
First recorded1973
First recorded at #254 among boys in Republic of Ireland in 1973 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded1973–2017
Highest recorded position: #254 among boys in Republic of Ireland, in 1973 (recorded 1973–2017).
Republic of Ireland · Boys
Most recent2017
Most recently recorded at #710 among boys in Republic of Ireland, in 2017.
Republic of Ireland · Boys
Dennis
Popularity journey
First recorded1952
First recorded at #34 among boys in New South Wales, Australia in 1952 — the earliest year that source publishes this name, not necessarily the earliest it was used.
New South Wales, Australia · Boys
Highest recorded1952–1970
Highest recorded position: #34 among boys in New South Wales, Australia, in 1952 (recorded 1952–1970).
New South Wales, Australia · Boys
Most recent2025
Most recently recorded at #156 among boys in Norway, in 2025.
Norway · Boys