Jonathan vs Kazimierz
Jonathan and Kazimierzcompared 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 1980, Jonathan was ranked #278 and Kazimierz #582 among boys in Norway.
England and Wales · Boys
In 2025, Jonathan was ranked #296 and Kazimierz #4275 among boys in England and Wales.
Jonathan and Kazimierz over time
Jonathan and Kazimierz appear together in 2 published lists, across 25 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.
List by list
Norway · Boys14 shared years, 1958–1980
Jonathan held the stronger position in 6 of those years, Kazimierz in 8.
Highest recorded here: Jonathan #278 in 1980, Kazimierz #233 in 1960.
The order changed in 1980: Jonathan moved ahead. In 1979 they stood at #524 and #422; by 1980 that had become #278 and #582.
Most recent shared year, 1980: Jonathan #278, Kazimierz #582.
England and Wales · Boys11 shared years, 2007–2025
Jonathan held the stronger position in 11 of those years, Kazimierz in 0.
Highest recorded here: Jonathan #102 in 2007, Kazimierz #2335 in 2016.
The order between them never changed and held in this list.
Most recent shared year, 2025: Jonathan #296, Kazimierz #4275.
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.
Where to go next
Comparisons that share a name, a rule or a published list with this one. Each is an existing comparison page with its own evidence — nothing here says these pairs are alike.
Other comparisons involving Jonathan
Pairs where Jonathan shares a published list with another name, each measured inside one registrar's own list.
- Jonathan vs Graham
In 1964 they stood at #125 and #129 in Republic of Ireland · Boys, 4 places apart; by 2023 they were #203 and #770.
Jonathan · Graham · 54 shared years, 1964–2023 · Started together, ended far apart
- Jonathan vs Ashley
In 1996 they stood at #39 and #40 in England and Wales · Boys, 1 places apart; by 2025 they were #296 and #716.
Jonathan · Ashley · 30 shared years, 1996–2025 · Started together, ended far apart
- Sean vs Jonathan
In 1996 they stood at #49 and #39 in England and Wales · Boys, 10 places apart; by 2025 they were #615 and #296.
Sean · Jonathan · 30 shared years, 1996–2025 · Started together, ended far apart
- Espen vs Jonathan
Over 64 shared years in Norway · Boys, Jonathan rose about as far as Espen fell — from #222 and #371 in 1949 to #430 and #93 in 2025.
Espen · Jonathan · 64 shared years, 1949–2025 · Mirrored each other
Side by side
| Field | Jonathan | Kazimierz |
|---|---|---|
| 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 | 3 | 3 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ | GB-ENW, NO |
| Most recent popularity observation | Norway · Boys #93 (2025) | England and Wales · Boys #4275 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 76/100 | 70/100 |
| International familiarity (demonstration score) | 100/100 | 60/100 |
| Data Confidence | medium | medium |
What the data shows
- Jonathan and Kazimierz both have 3 syllables.
- Both names have recorded usage in GB-ENW, NO.
How each name got here
Jonathan
Popularity journey
First recorded1949
First recorded at #371 among boys in Norway in 1949 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded1957–2013
Highest recorded position: #15 among boys in New Zealand, in 1982 (recorded 1957–2013).
New Zealand · Boys
Most recent2025
Most recently recorded at #296 among boys in England and Wales, in 2025.
England and Wales · Boys
Kazimierz
Popularity journey
First recorded1953
First recorded at #298 among boys in Norway in 1953 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded1953–1980
Highest recorded position: #224 among boys in Norway, in 1957 (recorded 1953–1980).
Norway · Boys
Most recent2025
Most recently recorded at #4275 among boys in England and Wales, in 2025.
England and Wales · Boys