Leif vs Mariusz
Leif and Mariuszcompared 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 1995, Leif was ranked #175 and Mariusz #600 among boys in Norway.
England and Wales · Boys
In 2023, Leif was ranked #827 and Mariusz #4991 among boys in England and Wales.
Leif and Mariusz over time
Leif and Mariusz appear together in 2 published lists, across 48 years of shared records. Leif held the stronger position in more years in 2 of them, Mariusz in 0.
The order between them changed and held in one of those lists — a change in that published list, never a claim that one name displaced the other.
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.
- Longest-running competitions
Leif and Mariusz were both ranked in Norway · Boys for 39 years, from 1957 to 1995, ending at #175 and #600.
List by list
Norway · Boys39 shared years, 1957–1995
Leif held the stronger position in 38 of those years, Mariusz in 1.
Highest recorded here: Leif #23 in 1958, Mariusz #76 in 1976.
The order between them never changed and held in this list.
Most recent shared year, 1995: Leif #175, Mariusz #600.
England and Wales · Boys9 shared years, 2006–2023
Leif held the stronger position in 8 of those years, Mariusz in 1.
Highest recorded here: Leif #827 in 2023, Mariusz #2435 in 2007.
The order changed in 2007: Leif moved ahead. In 2006 they stood at #4052 and #3385; by 2007 that had become #1578 and #2435.
Most recent shared year, 2023: Leif #827, Mariusz #4991.
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 | Leif | Mariusz |
|---|---|---|
| Record type | Editorially researched profile | Official statistical record (evidence-only) |
| Gender usage | male | male |
| Meaning | Commonly interpreted as 'heir' or 'descendant'. | Not yet recorded |
| Origin | Old Norse | Not yet recorded |
| Pronunciation | /leɪf/ (also /liːf/) | |
| Syllables | 1 | 2 |
| Common variants / nicknames | Leiv | Not yet recorded |
| Recorded regional usage | GB-ENW, NO | GB-ENW, NO |
| Most recent popularity observation | Sweden #88 (2025) | England and Wales · Boys #4991 (2023) |
| Pronunciation clarity (demonstration score) | 90/100 | Not yet recorded |
| Spelling simplicity (demonstration score) | 95/100 | 82/100 |
| International familiarity (demonstration score) | 60/100 | 60/100 |
| Data Confidence | high | medium |
What the data shows
- Leif has a recorded origin (Old Norse); Mariusz does not have one recorded yet.
- Leif has 1 syllable, compared with 2 for Mariusz.
- A meaning is recorded for Leif; Mariusz doesn't have one written yet.
- Both names have recorded usage in GB-ENW, NO.
- The available evidence gives Leif a "high" Data Confidence level and Mariusz a "medium" level — this reflects how complete and corroborated the underlying evidence is, not a judgement of either name.
How each name got here
Leif
Popularity journey
First recorded1945
First recorded at #17 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: #17 among boys in Norway, in 1945 (recorded 1945–2025).
Norway · Boys
Most recent2025
Most recently recorded at #225 among boys in Norway, in 2025.
Norway · Boys
Mariusz
Popularity journey
First recorded1957
First recorded at #434 among boys in Norway in 1957 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded1957–1995
Highest recorded position: #76 among boys in Norway, in 1976 (recorded 1957–1995).
Norway · Boys
Most recent2023
Most recently recorded at #4991 among boys in England and Wales, in 2023.
England and Wales · Boys