Kristy vs Sidra
Kristy and Sidracompared 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 2018, Kristy was ranked #5666 and Sidra #1083 among girls in England and Wales.
Kristy and Sidra over time
Kristy and Sidra appear together in 1 published list, across 19 years of shared records. Sidra held the stronger position in more years in 1 of them, Kristy 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.
Kristy reached its own highest recorded position earlier in 1 of those lists, and Sidra 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.
- Peaked in the same years
Both reached their highest recorded position in England and Wales · Girls within 2 years — Kristy #604 in 1997, Sidra #641 in 1999.
List by list
England and Wales · Girls19 shared years, 1996–2018
Kristy held the stronger position in 3 of those years, Sidra in 16.
Highest recorded here: Kristy #604 in 1997, Sidra #641 in 1999.
The order changed in 1999: Sidra moved ahead. In 1998 they stood at #683 and #898; by 1999 that had become #752 and #641.
Most recent shared year, 2018: Kristy #5666, Sidra #1083.
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.
Where to go next
Comparisons that share a name, a rule or a published list with this one. Each is an existing comparison page with its own evidence — nothing here says these pairs are alike.
Other comparisons involving Kristy
Pairs where Kristy shares a published list with another name, each measured inside one registrar's own list.
- Jessica vs Kristy
In 1982, Jessica moved ahead of Kristy in New South Wales, Australia · Girls — #21 and #8 the year before became #7 and #12.
Jessica · Kristy · 17 shared years, 1976–1992 · One moved ahead of the other
- Amy vs Kristy
In 1982, Amy moved ahead of Kristy in New South Wales, Australia · Girls — #9 and #8 the year before became #8 and #12.
Amy · Kristy · 18 shared years, 1975–1992 · One moved ahead of the other
- Kristy vs Jane
In New South Wales, Australia · Girls, Kristy moved into the top 50 at #30 in 1976 as Jane fell out of it to #52, having been #49 the year before.
Kristy · Jane · 11 shared years, 1974–1984 · One took the other's place near the top
Side by side
| Field | Kristy | Sidra |
|---|---|---|
| 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 | AU-NSW, GB-ENW, IE, NZ | GB-ENW, IE, NO |
| Most recent popularity observation | England and Wales · Girls #5666 (2018) | Norway · Girls #418 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 88/100 | 94/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Kristy and Sidra both have 2 syllables.
- Both names have recorded usage in GB-ENW, IE.
How each name got here
Kristy
Popularity journey
First recorded1974
First recorded at #64 among girls in New South Wales, Australia in 1974 — the earliest year that source publishes this name, not necessarily the earliest it was used.
New South Wales, Australia · Girls
Highest recorded1974–1992
Highest recorded position: #8 among girls in New South Wales, Australia, in 1980 (recorded 1974–1992).
New South Wales, Australia · Girls
Most recent2018
Most recently recorded at #5666 among girls in England and Wales, in 2018.
England and Wales · Girls
Sidra
Popularity journey
First recorded1983
First recorded at #557 among girls in Norway in 1983 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Girls
Highest recorded1983–2025
Highest recorded position: #230 among girls in Norway, in 2022 (recorded 1983–2025).
Norway · Girls
Most recent2025
Most recently recorded at #455 among girls in England and Wales, in 2025.
England and Wales · Girls