Bo vs Dennis
Bo 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.
Norway · Boys
In 2025, Bo was ranked #129 and Dennis #156 among boys in Norway.
England and Wales · Boys
In 2024, Bo was ranked #2263 and Dennis #453 among boys in England and Wales.
Republic of Ireland · Boys
In 2022, Bo was ranked #657 and Dennis #509 among boys in Republic of Ireland.
Bo and Dennis over time
Bo and Dennis appear together in 2 published lists, across 87 years of shared records. Dennis held the stronger position in more years in 2 of them, Bo in 0.
In none of those lists did their order change and stay changed.
Dennis reached its own highest recorded position earlier in 2 of those lists, and Bo 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
Bo and Dennis changed places 6 times in Norway · Boys between 1952 and 2025, ending at #129 and #156.
- Longest-running competitions
Bo and Dennis were both ranked in Norway · Boys for 63 years, from 1952 to 2025, ending at #129 and #156.
List by list
Norway · Boys63 shared years, 1952–2025
Bo held the stronger position in 18 of those years, Dennis in 45.
Highest recorded here: Bo #129 in 2024, Dennis #73 in 2010.
The order between them never changed and held in this list.
Most recent shared year, 2025: Bo #129, Dennis #156.
England and Wales · Boys24 shared years, 1997–2024
Bo held the stronger position in 0 of those years, Dennis in 24.
Highest recorded here: Bo #1117 in 2021, Dennis #316 in 2005.
The order between them never changed and held in this list.
Most recent shared year, 2024: Bo #2263, Dennis #453.
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 | Bo | Dennis |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Official statistical record (evidence-only) |
| Gender usage | Used for both boys and girls | male |
| Meaning | Not yet recorded | Not yet recorded |
| Origin | Not yet recorded | Not yet recorded |
| Pronunciation | Not yet recorded | |
| Syllables | 1 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, IE, NO | AU-NSW, GB-ENW, GB-NIR, IE, NO, NZ |
| Most recent popularity observation | Norway · Boys #129 (2025) | Norway · Boys #156 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 95/100 | 88/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Bo has 1 syllable, compared with 2 for Dennis.
- Both names have recorded usage in GB-ENW, IE, NO.
How each name got here
Bo
Popularity journey
First recorded1945
First recorded at #294 among boys in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded1945–2025
Highest recorded position: #129 among boys in Norway, in 2024 (recorded 1945–2025).
Norway · Boys
Most recent2025
Most recently recorded at #129 among boys in Norway, in 2025.
Norway · 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