Dan vs Tadeusz
Dan and Tadeuszcompared 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 1984, Dan was ranked #94 and Tadeusz #648 among boys in Norway.
Republic of Ireland · Boys
In 2020, Dan was ranked #219 and Tadeusz #741 among boys in Republic of Ireland.
England and Wales · Boys
In 2024, Dan was ranked #1460 and Tadeusz #2443 among boys in England and Wales.
Dan and Tadeusz over time
Dan and Tadeusz appear together in 2 published lists, across 51 years of shared records. Dan held the stronger position in more years in 2 of them, Tadeusz in 0.
In none of those lists did their order change and stay changed.
Each reached its own highest recorded position first in 1 of the lists they share.
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.
- Mirrored each other
Over 33 shared years in Norway · Boys, Dan rose about as far as Tadeusz fell — from #273 and #339 in 1950 to #94 and #648 in 1984.
- Longest-running competitions
Dan and Tadeusz were both ranked in Norway · Boys for 33 years, from 1950 to 1984, ending at #94 and #648.
List by list
Norway · Boys33 shared years, 1950–1984
Dan held the stronger position in 32 of those years, Tadeusz in 1.
Highest recorded here: Dan #94 in 1984, Tadeusz #194 in 1955.
The order between them never changed and held in this list.
Most recent shared year, 1984: Dan #94, Tadeusz #648.
England and Wales · Boys18 shared years, 2005–2024
Dan held the stronger position in 17 of those years, Tadeusz in 1.
Highest recorded here: Dan #557 in 2005, Tadeusz #1587 in 2019.
The order between them never changed and held in this list.
Most recent shared year, 2024: Dan #1460, Tadeusz #2443.
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 | Dan | Tadeusz |
|---|---|---|
| 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 | 1 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, GB-NIR, GB-SCT, IE, NO | GB-ENW, IE, NO |
| Most recent popularity observation | Republic of Ireland · Boys #286 (2025) | England and Wales · Boys #2443 (2024) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 95/100 | 82/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Dan has 1 syllable, compared with 2 for Tadeusz.
- Both names have recorded usage in GB-ENW, IE, NO.
How each name got here
Dan
Popularity journey
First recorded1945
First recorded at #326 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: #75 among boys in Norway, in 1987 (recorded 1945–2025).
Norway · Boys
Most recent2025
Most recently recorded at #456 among boys in Norway, in 2025.
Norway · Boys
Tadeusz
Popularity journey
First recorded1950
First recorded at #339 among boys in Norway in 1950 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded1950–1984
Highest recorded position: #194 among boys in Norway, in 1955 (recorded 1950–1984).
Norway · Boys
Most recent2024
Most recently recorded at #2443 among boys in England and Wales, in 2024.
England and Wales · Boys