Oliver vs William
Oliver and Williamcompared 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 William #11 among boys in New South Wales, Australia.
New Zealand · Boys
In 2023, Oliver was ranked #2 and William #14 among boys in New Zealand.
England and Wales · Boys
In 2024, Oliver was ranked #3 and William #27 among boys in England and Wales.
Norway · Boys
In 2025, Oliver was ranked #5 and William #3 among boys in Norway.
Scotland · Boys
In 2024, Oliver was ranked #7 and William #66 among boys in Scotland.
Northern Ireland · Boys
In 2024, Oliver was ranked #10 and William #64 among boys in Northern Ireland.
Republic of Ireland · Boys
In 2025, Oliver was ranked #18 and William #73 among boys in Republic of Ireland.
Oliver and William over time
Oliver and William appear together in 6 published lists, across 277 years of shared records. William held the stronger position in more years in 4 of them, Oliver in 2.
The order between them changed and held in 5 of those lists — a change in that published list, never a claim that one name displaced the other.
William reached its own highest recorded position earlier in 6 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.
- One moved ahead of the other
In 2003, Oliver moved ahead of William in England and Wales · Boys — #10 and #9 the year before became #6 and #9.
- Repeatedly exchanged positions
Oliver and William changed places 8 times in Norway · Boys between 1959 and 2025, ending at #5 and #3.
- Closest over the longest run
Across 50 shared years in England and Wales · Boys, Oliver and William averaged 15.5 places apart, ending at #3 and #27.
- Mirrored each other
Over 28 shared years in Northern Ireland · Boys, Oliver rose about as far as William fell — from #100 and #26 in 1997 to #10 and #64 in 2024.
- Longest-running competitions
Oliver and William were both ranked in England and Wales · Boys for 50 years, from 1996 to 2024, ending at #3 and #27.
List by list
Republic of Ireland · Boys62 shared years, 1964–2025
Oliver held the stronger position in 13 of those years, William in 49.
Highest recorded here: Oliver #14 in 1975, William #8 in 1964.
The order changed in 2013: Oliver moved ahead. In 2012 they stood at #59 and #51; by 2013 that had become #41 and #43.
Most recent shared year, 2025: Oliver #18, William #73.
Norway · Boys60 shared years, 1959–2025
Oliver held the stronger position in 15 of those years, William in 45.
Highest recorded here: Oliver #1 in 2018, William #1 in 2012.
The order between them never changed and held in this list.
Most recent shared year, 2025: Oliver #5, William #3.
England and Wales · Boys50 shared years, 1996–2024
Oliver held the stronger position in 44 of those years, William in 6.
Highest recorded here: Oliver #1 in 2009, William #7 in 2006.
The order changed in 2003: Oliver moved ahead. In 2002 they stood at #10 and #9; by 2003 that had become #6 and #9.
Most recent shared year, 2024: Oliver #3, William #27.
New Zealand · Boys40 shared years, 1983–2023
Oliver held the stronger position in 15 of those years, William in 25.
Highest recorded here: Oliver #1 in 2013, William #3 in 2008.
The order changed in 2009: Oliver moved ahead. In 2008 they stood at #8 and #3; by 2009 that had become #2 and #5.
Most recent shared year, 2023: Oliver #2, William #14.
New South Wales, Australia · Boys37 shared years, 1989–2025
Oliver held the stronger position in 12 of those years, William in 25.
Highest recorded here: Oliver #1 in 2014, William #1 in 2009.
The order changed in 2014: Oliver moved ahead. In 2013 they stood at #2 and #1; by 2014 that had become #1 and #2.
Most recent shared year, 2025: Oliver #2, William #11.
Northern Ireland · Boys28 shared years, 1997–2024
Oliver held the stronger position in 18 of those years, William in 10.
Highest recorded here: Oliver #3 in 2016, William #26 in 1997.
The order changed in 2007: Oliver moved ahead. In 2006 they stood at #53 and #33; by 2007 that had become #28 and #32.
Most recent shared year, 2024: Oliver #10, William #64.
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 | William |
|---|---|---|
| Record type | Editorially researched profile | Editorially researched profile |
| Gender usage | male | male |
| Meaning | Commonly interpreted as 'olive tree', though the true root is debated. | Commonly interpreted as 'resolute protector' or 'will helmet', combining the ideas of desire/will and protection. |
| Origin | Old French | Germanic (Old Frankish/Old High German Willehelm) |
| Pronunciation | /ˈɒlɪvər/ | /ˈwɪljəm/ |
| Syllables | 3 | 2 |
| Common variants / nicknames | Ollie, Olivier, Oliviero | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ |
| Most recent popularity observation | United Kingdom #1 (2025) | Norway · Boys #3 (2025) |
| Pronunciation clarity (demonstration score) | 90/100 | 90/100 |
| Spelling simplicity (demonstration score) | 88/100 | 82/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Oliver is recorded with a Old French origin, while William is recorded with a Germanic (Old Frankish/Old High German Willehelm) origin.
- Oliver has 3 syllables, compared with 2 for William.
- Oliver's recorded meaning differs from William's — see the table above for each.
- Both names have recorded usage in AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ.
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
William
Popularity journey
First recorded1945
First recorded at #277 among boys in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded1952–2025
Highest recorded position: #1 among boys in New South Wales, Australia, in 2009 (recorded 1952–2025).
New South Wales, Australia · Boys
Most recent2025
Most recently recorded at #11 among boys in New South Wales, Australia, in 2025.
New South Wales, Australia · Boys