Aida vs Kacy
Aida and Kacycompared 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 2020, Aida was ranked #390 and Kacy #2615 among girls in England and Wales.
Republic of Ireland · Girls
In 2009, Aida was ranked #641 and Kacy #893 among girls in Republic of Ireland.
Aida and Kacy over time
Aida and Kacy appear together in 1 published list, across 22 years of shared records. Aida held the stronger position in more years in 1 of them, Kacy in 0.
In none of those lists did their order change and stay changed.
Kacy reached its own highest recorded position earlier in 1 of those lists, and Aida 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
Aida and Kacy changed places 4 times in England and Wales · Girls between 1998 and 2020, ending at #390 and #2615.
List by list
England and Wales · Girls22 shared years, 1998–2020
Aida held the stronger position in 13 of those years, Kacy in 9.
Highest recorded here: Aida #390 in 2020, Kacy #708 in 2005.
The order between them never changed and held in this list.
Most recent shared year, 2020: Aida #390, Kacy #2615.
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 | Aida | Kacy |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Official statistical record (evidence-only) |
| Gender usage | female | female |
| Meaning | Not yet recorded | Not yet recorded |
| Origin | Not yet recorded | Not yet recorded |
| Pronunciation | Not yet recorded | Not yet recorded |
| Syllables | 2 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, GB-NIR, GB-SCT, IE, NO | GB-ENW, IE |
| Most recent popularity observation | Norway · Girls #237 (2025) | England and Wales · Girls #2615 (2020) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 95/100 | 95/100 |
| International familiarity (demonstration score) | 100/100 | 60/100 |
| Data Confidence | medium | medium |
What the data shows
- Aida and Kacy both have 2 syllables.
- Both names have recorded usage in GB-ENW, IE.
How each name got here
Aida
Popularity journey
First recorded1945
First recorded at #320 among girls in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Girls
Highest recorded1945–2025
Highest recorded position: #237 among girls in Norway, in 2025 (recorded 1945–2025).
Norway · Girls
Most recent2025
Most recently recorded at #237 among girls in Norway, in 2025.
Norway · Girls
Kacy
Popularity journey
First recorded1998
First recorded at #3848 among girls in England and Wales in 1998 — the earliest year that source publishes this name, not necessarily the earliest it was used.
England and Wales · Girls
Highest recorded2002–2012
Highest recorded position: #620 among girls in Republic of Ireland, in 2002 (recorded 2002–2012).
Republic of Ireland · Girls
Most recent2020
Most recently recorded at #2615 among girls in England and Wales, in 2020.
England and Wales · Girls