Jacek vs Jason
Jacek and Jasoncompared 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.
Republic of Ireland · Boys
In 2014, Jacek was ranked #609 and Jason #103 among boys in Republic of Ireland.
England and Wales · Boys
In 2022, Jacek was ranked #4001 and Jason #200 among boys in England and Wales.
Norway · Boys
In 1995, Jacek was ranked #593 and Jason #595 among boys in Norway.
Jacek and Jason over time
Jacek and Jason appear together in 2 published lists, across 33 years of shared records. Neither was ahead in more lists than the other.
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.
List by list
Norway · Boys19 shared years, 1969–1995
Jacek held the stronger position in 17 of those years, Jason in 2.
Highest recorded here: Jacek #116 in 1969, Jason #330 in 1972.
The order between them never changed and held in this list.
Most recent shared year, 1995: Jacek #593, Jason #595.
England and Wales · Boys14 shared years, 1997–2022
Jacek held the stronger position in 0 of those years, Jason in 14.
Highest recorded here: Jacek #1596 in 2008, Jason #72 in 1997.
The order between them never changed and held in this list.
Most recent shared year, 2022: Jacek #4001, Jason #200.
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 | Jacek | Jason |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Editorially researched profile |
| Gender usage | male | male |
| Meaning | Not yet recorded | From Ancient Greek Iason, meaning 'healer'. In Greek mythology, Jason led the Argonauts in the quest for the Golden Fleece; the name also appears in the New Testament as a Hellenized form possibly of a Hebrew name. |
| Origin | Not yet recorded | Greek |
| Pronunciation | Not yet recorded | /ˈd͡ʒeɪ.sən/ |
| Syllables | 2 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, IE, NO | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ |
| Most recent popularity observation | England and Wales · Boys #4001 (2022) | Republic of Ireland · Boys #135 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | 90/100 |
| Spelling simplicity (demonstration score) | 94/100 | 94/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Jason has a recorded origin (Greek); Jacek does not have one recorded yet.
- Jacek and Jason both have 2 syllables.
- A meaning is recorded for Jason; Jacek doesn't have one written yet.
- Both names have recorded usage in GB-ENW, IE, NO.
How each name got here
Jacek
Popularity journey
First recorded1956
First recorded at #426 among boys in Norway in 1956 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded1956–1995
Highest recorded position: #116 among boys in Norway, in 1969 (recorded 1956–1995).
Norway · Boys
Most recent2022
Most recently recorded at #4001 among boys in England and Wales, in 2022.
England and Wales · Boys
Jason
Popularity journey
First recorded1964
First recorded at #100 among boys in New South Wales, Australia in 1964 — the earliest year that source publishes this name, not necessarily the earliest it was used.
New South Wales, Australia · Boys
Highest recorded1964–2005
Highest recorded position: #1 among boys in New South Wales, Australia, in 1971 (recorded 1964–2005).
New South Wales, Australia · Boys
Most recent2025
Most recently recorded at #135 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys