Aj vs Casian
Aj and Casiancompared 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 2019, Aj was ranked #764 and Casian #764 among boys in Republic of Ireland.
England and Wales · Boys
In 2024, Aj was ranked #1402 and Casian #1517 among boys in England and Wales.
Aj and Casian over time
Aj and Casian appear together in 1 published list, across 11 years of shared records. Aj held the stronger position in more years in 1 of them, Casian in 0.
In none of those lists did their order change and stay changed.
Aj reached its own highest recorded position earlier in 1 of those lists, and Casian in none. Each position is a place inside its own list, so this compares when they peaked and never how high.
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
Aj and Casian changed places 6 times in England and Wales · Boys between 2013 and 2024, ending at #1402 and #1517.
List by list
England and Wales · Boys11 shared years, 2013–2024
Aj held the stronger position in 8 of those years, Casian in 2.
Highest recorded here: Aj #848 in 2017, Casian #878 in 2020.
The order between them never changed and held in this list.
Most recent shared year, 2024: Aj #1402, Casian #1517.
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 | Aj | Casian |
|---|---|---|
| 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 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, GB-NIR, GB-SCT, IE | GB-ENW, IE |
| Most recent popularity observation | Republic of Ireland · Boys #211 (2025) | England and Wales · Boys #1517 (2024) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 95/100 | 88/100 |
| International familiarity (demonstration score) | 100/100 | 60/100 |
| Data Confidence | medium | medium |
What the data shows
- Aj has 1 syllable, compared with 2 for Casian.
- Both names have recorded usage in GB-ENW, IE.
How each name got here
Aj
Popularity journey
First recorded2002
First recorded at #2636 among boys in England and Wales in 2002 — the earliest year that source publishes this name, not necessarily the earliest it was used.
England and Wales · Boys
Highest recorded2012–2025
Highest recorded position: #211 among boys in Republic of Ireland, in 2025 (recorded 2012–2025).
Republic of Ireland · Boys
Most recent2025
Most recently recorded at #211 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys
Casian
Popularity journey
First recorded2013
First recorded at #4685 among boys in England and Wales in 2013 — the earliest year that source publishes this name, not necessarily the earliest it was used.
England and Wales · Boys
Most recent2024
Most recently recorded at #1517 among boys in England and Wales, in 2024.
England and Wales · Boys