Rudolf vs Sigfred
Rudolf and Sigfredcompared 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 1972, Rudolf was ranked #613 and Sigfred #614 among boys in Norway.
Rudolf and Sigfred over time
Rudolf and Sigfred appear together in 1 published list, across 15 years of shared records. Rudolf held the stronger position in more years in 1 of them, Sigfred in 0.
In none of those lists did their order change and stay changed.
Rudolf reached its own highest recorded position earlier in 1 of those lists, and Sigfred 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
Rudolf and Sigfred changed places 6 times in Norway · Boys between 1945 and 1972, ending at #613 and #614.
List by list
Norway · Boys15 shared years, 1945–1972
Rudolf held the stronger position in 12 of those years, Sigfred in 3.
Highest recorded here: Rudolf #220 in 1945, Sigfred #227 in 1948.
The order between them never changed and held in this list.
Most recent shared year, 1972: Rudolf #613, Sigfred #614.
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 | Rudolf | Sigfred |
|---|---|---|
| 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 | 2 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, NO | NO |
| Most recent popularity observation | England and Wales · Boys #4275 (2025) | Norway · Boys #614 (1972) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 88/100 | 82/100 |
| International familiarity (demonstration score) | 60/100 | 40/100 |
| Data Confidence | medium | medium |
What the data shows
- Rudolf and Sigfred both have 2 syllables.
- Both names have recorded usage in NO.
How each name got here
Rudolf
Popularity journey
First recorded1945
First recorded at #220 among boys in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded1945–1977
Highest recorded position: #220 among boys in Norway, in 1945 (recorded 1945–1977).
Norway · Boys
Most recent2025
Most recently recorded at #4275 among boys in England and Wales, in 2025.
England and Wales · Boys
Sigfred
Popularity journey
First recorded1945
First recorded at #289 among boys in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded1945–1972
Highest recorded position: #227 among boys in Norway, in 1948 (recorded 1945–1972).
Norway · Boys
Most recent1972
Most recently recorded at #614 among boys in Norway, in 1972.
Norway · Boys