Calum vs Denis
Calum and Deniscompared 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 2025, Calum was ranked #432 and Denis #232 among boys in Republic of Ireland.
Northern Ireland · Boys
In 2024, Calum was ranked #339 and Denis #305 among boys in Northern Ireland.
England and Wales · Boys
In 2024, Calum was ranked #1675 and Denis #434 among boys in England and Wales.
Calum and Denis over time
Calum and Denis appear together in 3 published lists, across 79 years of shared records. Calum held the stronger position in more years in 2 of them, Denis in 1.
The order between them changed and held in 2 of those lists — a change in that published list, never a claim that one name displaced the other.
Calum reached its own highest recorded position earlier in 2 of those lists, Denis in 1. 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
Calum and Denis changed places 4 times in Republic of Ireland · Boys between 1992 and 2025, ending at #432 and #232.
- Longest-running competitions
Calum and Denis were both ranked in Republic of Ireland · Boys for 34 years, from 1992 to 2025, ending at #432 and #232.
List by list
Republic of Ireland · Boys34 shared years, 1992–2025
Calum held the stronger position in 11 of those years, Denis in 23.
Highest recorded here: Calum #44 in 2006, Denis #83 in 1995.
The order between them never changed and held in this list.
Most recent shared year, 2025: Calum #432, Denis #232.
England and Wales · Boys29 shared years, 1996–2024
Calum held the stronger position in 16 of those years, Denis in 13.
Highest recorded here: Calum #91 in 1996, Denis #262 in 2020.
The order changed in 2012: Denis moved ahead. In 2011 they stood at #361 and #441; by 2012 that had become #507 and #460.
Most recent shared year, 2024: Calum #1675, Denis #434.
Northern Ireland · Boys16 shared years, 1998–2024
Calum held the stronger position in 13 of those years, Denis in 2.
Highest recorded here: Calum #45 in 2007, Denis #231 in 2011.
The order changed in 2020: Denis moved ahead. In 2019 they stood at #365 and #418; by 2020 that had become #334 and #334.
Most recent shared year, 2024: Calum #339, Denis #305.
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 | Calum | Denis |
|---|---|---|
| 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 | AU-NSW, GB-ENW, GB-NIR, IE, NO, NZ |
| Most recent popularity observation | Republic of Ireland · Boys #432 (2025) | Republic of Ireland · Boys #232 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 94/100 | 94/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Calum and Denis both have 2 syllables.
- Both names have recorded usage in GB-ENW, GB-NIR, IE.
How each name got here
Calum
Popularity journey
First recorded1992
First recorded at #298 among boys in Republic of Ireland in 1992 — 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: #21 among boys in Northern Ireland, in 2006 (recorded 1997–2024).
Northern Ireland · Boys
Most recent2025
Most recently recorded at #432 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys
Denis
Popularity journey
First recorded1952
First recorded at #65 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 recorded1964–2025
Highest recorded position: #21 among boys in Republic of Ireland, in 1964 (recorded 1964–2025).
Republic of Ireland · Boys
Most recent2025
Most recently recorded at #232 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys