Addison vs Casey-Leigh
Addison and Casey-Leighcompared 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.
England and Wales · Girls
In 2024, Addison was ranked #326 and Casey-Leigh #5891 among girls in England and Wales.
Northern Ireland · Girls
In 2015, Addison was ranked #426 and Casey-Leigh #426 among girls in Northern Ireland.
Addison and Casey-Leigh over time
Addison and Casey-Leigh appear together in 1 published list, across 15 years of shared records. Addison held the stronger position in more years in 1 of them, Casey-Leigh in 0.
In none of those lists did their order change and stay changed.
Casey-Leigh reached its own highest recorded position earlier in 1 of those lists, and Addison 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.
List by list
England and Wales · Girls15 shared years, 2001–2024
Addison held the stronger position in 14 of those years, Casey-Leigh in 1.
Highest recorded here: Addison #326 in 2024, Casey-Leigh #1218 in 2010.
The order between them never changed and held in this list.
Most recent shared year, 2024: Addison #326, Casey-Leigh #5891.
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 | Addison | Casey-Leigh |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Official statistical record (evidence-only) |
| Gender usage | Used for both boys and girls | female |
| 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, NZ | GB-ENW, GB-NIR |
| Most recent popularity observation | England and Wales · Girls #351 (2025) | England and Wales · Girls #5891 (2024) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 82/100 | 35/100 |
| International familiarity (demonstration score) | 100/100 | 60/100 |
| Data Confidence | medium | medium |
What the data shows
- Addison and Casey-Leigh both have 3 syllables.
- Both names have recorded usage in GB-ENW, GB-NIR.
How each name got here
Addison
Popularity journey
First recorded1996
First recorded at #1040 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 recorded2009–2023
Highest recorded position: #46 among girls in New Zealand, in 2011 (recorded 2009–2023).
New Zealand · Girls
Most recent2025
Most recently recorded at #351 among girls in England and Wales, in 2025.
England and Wales · Girls
Casey-Leigh
Popularity journey
First recorded1996
First recorded at #3126 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
Most recent2024
Most recently recorded at #5891 among girls in England and Wales, in 2024.
England and Wales · Girls