Oliver vs Theodore
Oliver and Theodorecompared 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.
New South Wales, Australia · Boys
In 2025, Oliver was ranked #2 and Theodore #3 among boys in New South Wales, Australia.
New Zealand · Boys
In 2023, Oliver was ranked #2 and Theodore #6 among boys in New Zealand.
England and Wales · Boys
In 2024, Oliver was ranked #3 and Theodore #8 among boys in England and Wales.
Scotland · Boys
In 2024, Oliver was ranked #7 and Theodore #36 among boys in Scotland.
Northern Ireland · Boys
In 2024, Oliver was ranked #10 and Theodore #32 among boys in Northern Ireland.
Republic of Ireland · Boys
In 2025, Oliver was ranked #18 and Theodore #44 among boys in Republic of Ireland.
Oliver and Theodore over time
Oliver and Theodore appear together in 5 published lists, across 116 years of shared records. Oliver held the stronger position in more years in 5 of them, Theodore in 0.
In none of those lists did their order change and stay changed.
Oliver reached its own highest recorded position earlier in 4 of those lists, and Theodore 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.
- Longest-running competitions
Oliver and Theodore were both ranked in England and Wales · Boys for 50 years, from 1996 to 2024, ending at #3 and #8.
- Peaked in the same years
Both reached their highest recorded position in Republic of Ireland · Boys within 2 years — Oliver #18 in 2025, Theodore #44 in 2025.
List by list
England and Wales · Boys50 shared years, 1996–2024
Oliver held the stronger position in 50 of those years, Theodore in 0.
Highest recorded here: Oliver #1 in 2009, Theodore #8 in 2022.
The order between them never changed and held in this list.
Most recent shared year, 2024: Oliver #3, Theodore #8.
Republic of Ireland · Boys27 shared years, 1964–2025
Oliver held the stronger position in 27 of those years, Theodore in 0.
Highest recorded here: Oliver #18 in 2025, Theodore #44 in 2025.
The order between them never changed and held in this list.
Most recent shared year, 2025: Oliver #18, Theodore #44.
Northern Ireland · Boys17 shared years, 2001–2024
Oliver held the stronger position in 17 of those years, Theodore in 0.
Highest recorded here: Oliver #3 in 2016, Theodore #32 in 2024.
The order between them never changed and held in this list.
Most recent shared year, 2024: Oliver #10, Theodore #32.
New South Wales, Australia · Boys11 shared years, 2015–2025
Oliver held the stronger position in 11 of those years, Theodore in 0.
Highest recorded here: Oliver #1 in 2015, Theodore #3 in 2024.
The order between them never changed and held in this list.
Most recent shared year, 2025: Oliver #2, Theodore #3.
New Zealand · Boys11 shared years, 2013–2023
Oliver held the stronger position in 11 of those years, Theodore in 0.
Highest recorded here: Oliver #1 in 2013, Theodore #6 in 2022.
The order between them never changed and held in this list.
Most recent shared year, 2023: Oliver #2, Theodore #6.
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 | Oliver | Theodore |
|---|---|---|
| Record type | Editorially researched profile | Editorially researched profile |
| Gender usage | male | male |
| Meaning | Commonly interpreted as 'olive tree', though the true root is debated. | Gift of God. |
| Origin | Old French | Greek |
| Pronunciation | /ˈɒlɪvər/ | /ˈθiəˌdɔɹ/ |
| Syllables | 3 | 3 |
| Common variants / nicknames | Ollie, Olivier, Oliviero | Teddy |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NZ |
| Most recent popularity observation | United Kingdom #1 (2025) | New South Wales, Australia · Boys #3 (2025) |
| Pronunciation clarity (demonstration score) | 90/100 | 90/100 |
| Spelling simplicity (demonstration score) | 88/100 | 76/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | high |
What the data shows
- Oliver is recorded with a Old French origin, while Theodore is recorded with a Greek origin.
- Oliver and Theodore both have 3 syllables.
- Oliver's recorded meaning differs from Theodore's — see the table above for each.
- Both names have recorded usage in AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NZ.
- The available evidence gives Oliver a "medium" Data Confidence level and Theodore a "high" level — this reflects how complete and corroborated the underlying evidence is, not a judgement of either name.
How each name got here
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
Theodore
Popularity journey
First recorded1964
First recorded at #214 among boys in Republic of Ireland in 1964 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded2015–2025
Highest recorded position: #3 among boys in New South Wales, Australia, in 2024 (recorded 2015–2025).
New South Wales, Australia · Boys
Most recent2025
Most recently recorded at #3 among boys in New South Wales, Australia, in 2025.
New South Wales, Australia · Boys