Leif vs Youssef
Leif and Youssefcompared 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 2022, Leif was ranked #215 and Youssef #507 among boys in Norway.
England and Wales · Boys
In 2024, Leif was ranked #814 and Youssef #1162 among boys in England and Wales.
Leif and Youssef over time
Leif and Youssef appear together in 2 published lists, across 57 years of shared records. Neither was ahead in more lists than the other.
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.
- Repeatedly exchanged positions
Leif and Youssef changed places 4 times in Norway · Boys between 1966 and 2022, ending at #215 and #507.
- Longest-running competitions
Leif and Youssef were both ranked in Norway · Boys for 31 years, from 1966 to 2022, ending at #215 and #507.
List by list
Norway · Boys31 shared years, 1966–2022
Leif held the stronger position in 28 of those years, Youssef in 3.
Highest recorded here: Leif #40 in 1966, Youssef #297 in 2017.
The order between them never changed and held in this list.
Most recent shared year, 2022: Leif #215, Youssef #507.
England and Wales · Boys26 shared years, 1996–2024
Leif held the stronger position in 2 of those years, Youssef in 24.
Highest recorded here: Leif #814 in 2024, Youssef #748 in 2016.
The order changed in 2023: Leif moved ahead. In 2022 they stood at #967 and #901; by 2023 that had become #827 and #1461.
Most recent shared year, 2024: Leif #814, Youssef #1162.
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 | Youssef |
|---|---|---|
| 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/) | Not yet recorded |
| Syllables | 1 | 2 |
| Common variants / nicknames | Leiv | Not yet recorded |
| Recorded regional usage | GB-ENW, NO | GB-ENW, IE, NO |
| Most recent popularity observation | Sweden #88 (2025) | Republic of Ireland · Boys #577 (2025) |
| Pronunciation clarity (demonstration score) | 90/100 | Not yet recorded |
| Spelling simplicity (demonstration score) | 95/100 | 82/100 |
| International familiarity (demonstration score) | 60/100 | 100/100 |
| Data Confidence | high | medium |
What the data shows
- Leif has a recorded origin (Old Norse); Youssef does not have one recorded yet.
- Leif has 1 syllable, compared with 2 for Youssef.
- A meaning is recorded for Leif; Youssef 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 Youssef 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
Youssef
Popularity journey
First recorded1966
First recorded at #482 among boys in Norway in 1966 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded1966–2022
Highest recorded position: #297 among boys in Norway, in 2017 (recorded 1966–2022).
Norway · Boys
Most recent2025
Most recently recorded at #577 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys