Calum vs Oliver
Calum and Olivercompared 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.
England and Wales · Boys
In 2024, Calum was ranked #1675 and Oliver #3 among boys in England and Wales.
Scotland · Boys
In 2024, Calum was ranked #176 and Oliver #7 among boys in Scotland.
Northern Ireland · Boys
In 2024, Calum was ranked #339 and Oliver #10 among boys in Northern Ireland.
Republic of Ireland · Boys
In 2025, Calum was ranked #432 and Oliver #18 among boys in Republic of Ireland.
Calum and Oliver over time
Calum and Oliver appear together in 3 published lists, across 90 years of shared records. Oliver held the stronger position in more years in 3 of them, Calum in 0.
In none of those lists did their order change and stay changed.
Calum reached its own highest recorded position earlier in 3 of those lists, and Oliver 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
Calum and Oliver changed places 4 times in Northern Ireland · Boys between 1997 and 2024, ending at #339 and #10.
- Longest-running competitions
Calum and Oliver were both ranked in Republic of Ireland · Boys for 34 years, from 1992 to 2025, ending at #432 and #18.
- Started together, ended far apart
In 1997 they stood at #100 and #100 in Northern Ireland · Boys, 0 places apart; by 2024 they were #339 and #10.
List by list
Republic of Ireland · Boys34 shared years, 1992–2025
Calum held the stronger position in 9 of those years, Oliver in 25.
Highest recorded here: Calum #44 in 2006, Oliver #18 in 2025.
The order between them never changed and held in this list.
Most recent shared year, 2025: Calum #432, Oliver #18.
England and Wales · Boys29 shared years, 1996–2024
Calum held the stronger position in 0 of those years, Oliver in 29.
Highest recorded here: Calum #91 in 1996, Oliver #1 in 2009.
The order between them never changed and held in this list.
Most recent shared year, 2024: Calum #1675, Oliver #3.
Northern Ireland · Boys27 shared years, 1997–2024
Calum held the stronger position in 3 of those years, Oliver in 22.
Highest recorded here: Calum #21 in 2006, Oliver #3 in 2016.
The order between them never changed and held in this list.
Most recent shared year, 2024: Calum #339, Oliver #10.
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 | Oliver |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Editorially researched profile |
| Gender usage | male | male |
| Meaning | Not yet recorded | Commonly interpreted as 'olive tree', though the true root is debated. |
| Origin | Not yet recorded | Old French |
| Pronunciation | Not yet recorded | /ˈɒlɪvər/ |
| Syllables | 2 | 3 |
| Common variants / nicknames | Not yet recorded | Ollie, Olivier, Oliviero |
| Recorded regional usage | GB-ENW, GB-NIR, GB-SCT, IE | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ |
| Most recent popularity observation | Republic of Ireland · Boys #432 (2025) | United Kingdom #1 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | 90/100 |
| Spelling simplicity (demonstration score) | 94/100 | 88/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Oliver has a recorded origin (Old French); Calum does not have one recorded yet.
- Calum has 2 syllables, compared with 3 for Oliver.
- A meaning is recorded for Oliver; Calum doesn't have one written yet.
- Both names have recorded usage in GB-ENW, GB-NIR, GB-SCT, 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
Oliver
Popularity journey
First recorded1959
First recorded at #478 among boys in Norway in 1959 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded1996–2024
Highest recorded position: #1 among boys in England and Wales, in 2009 (recorded 1996–2024).
England and Wales · Boys
Most recent2025
Most recently recorded at #2 among boys in New South Wales, Australia, in 2025.
New South Wales, Australia · Boys