Jac vs Jai
Jac and Jaicompared 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.
Northern Ireland · Boys
In 2011, Jac was ranked #311 and Jai #191 among boys in Northern Ireland.
England and Wales · Boys
In 2024, Jac was ranked #529 and Jai #945 among boys in England and Wales.
Jac and Jai over time
Jac and Jai appear together in 1 published list, across 29 years of shared records. Jai held the stronger position in more years in 1 of them, Jac 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.
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
Jac and Jai changed places 5 times in England and Wales · Boys between 1996 and 2024, ending at #529 and #945.
- Peaked in the same years
Both reached their highest recorded position in England and Wales · Boys within 2 years — Jac #246 in 2004, Jai #246 in 2004.
List by list
England and Wales · Boys29 shared years, 1996–2024
Jac held the stronger position in 12 of those years, Jai in 14.
Highest recorded here: Jac #246 in 2004, Jai #246 in 2004.
The order changed in 2017: Jac moved ahead. In 2016 they stood at #470 and #459; by 2017 that had become #508 and #606.
Most recent shared year, 2024: Jac #529, Jai #945.
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 | Jac | Jai |
|---|---|---|
| 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 | 1 | 1 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, GB-NIR | AU-NSW, GB-ENW, GB-NIR, IE |
| Most recent popularity observation | England and Wales · Boys #529 (2024) | Republic of Ireland · Boys #829 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 95/100 | 95/100 |
| International familiarity (demonstration score) | 60/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Jac and Jai both have 1 syllable.
- Both names have recorded usage in GB-ENW, GB-NIR.
How each name got here
Jac
Popularity journey
First recorded1996
First recorded at #369 among boys in England and Wales in 1996 — the earliest year that source publishes this name, not necessarily the earliest it was used.
England and Wales · Boys
Highest recorded1996–2024
Highest recorded position: #246 among boys in England and Wales, in 2004 (recorded 1996–2024).
England and Wales · Boys
Most recent2024
Most recently recorded at #529 among boys in England and Wales, in 2024.
England and Wales · Boys
Jai
Popularity journey
First recorded1996
First recorded at #2683 among girls in England and Wales in 1996 — the earliest year that source publishes this name, not necessarily the earliest it was used.
England and Wales · Girls
Highest recorded2001–2008
Highest recorded position: #87 among boys in New South Wales, Australia, in 2005 (recorded 2001–2008).
New South Wales, Australia · Boys
Most recent2025
Most recently recorded at #829 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys