Katie vs Kelsey
Katie and Kelseycompared 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 · Girls
In 2022, Katie was ranked #19 and Kelsey #418 among girls in Northern Ireland.
Republic of Ireland · Girls
In 2025, Katie was ranked #41 and Kelsey #544 among girls in Republic of Ireland.
New Zealand · Girls
In 1999, Katie was ranked #50 and Kelsey #92 among girls in New Zealand.
Scotland · Girls
In 2024, Katie was ranked #131 and Kelsey #638 among girls in Scotland.
England and Wales · Girls
In 2025, Katie was ranked #650 and Kelsey #1271 among girls in England and Wales.
Katie and Kelsey over time
Katie and Kelsey appear together in 4 published lists, across 99 years of shared records. Katie held the stronger position in more years in 4 of them, Kelsey in 0.
In none of those lists did their order change and stay changed.
Each reached its own highest recorded position first in 2 of the lists they share.
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.
- Longest-running competitions
Katie and Kelsey were both ranked in England and Wales · Girls for 30 years, from 1996 to 2025, ending at #650 and #1271.
- Peaked in the same years
Both reached their highest recorded position in New Zealand · Girls within 2 years — Katie #35 in 1989, Kelsey #48 in 1991.
List by list
Republic of Ireland · Girls37 shared years, 1989–2025
Katie held the stronger position in 37 of those years, Kelsey in 0.
Highest recorded here: Katie #2 in 2004, Kelsey #116 in 1998.
The order between them never changed and held in this list.
Most recent shared year, 2025: Katie #41, Kelsey #544.
England and Wales · Girls30 shared years, 1996–2025
Katie held the stronger position in 30 of those years, Kelsey in 0.
Highest recorded here: Katie #9 in 2004, Kelsey #87 in 1998.
The order between them never changed and held in this list.
Most recent shared year, 2025: Katie #650, Kelsey #1271.
Northern Ireland · Girls22 shared years, 1997–2022
Katie held the stronger position in 22 of those years, Kelsey in 0.
Highest recorded here: Katie #1 in 2004, Kelsey #114 in 2006.
The order between them never changed and held in this list.
Most recent shared year, 2022: Katie #19, Kelsey #418.
New Zealand · Girls10 shared years, 1989–1999
Katie held the stronger position in 9 of those years, Kelsey in 1.
Highest recorded here: Katie #35 in 1989, Kelsey #48 in 1991.
The order between them never changed and held in this list.
Most recent shared year, 1999: Katie #50, Kelsey #92.
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 | Katie | Kelsey |
|---|---|---|
| Record type | Editorially researched profile | Official statistical record (evidence-only) |
| Gender usage | female | female |
| Meaning | A diminutive of Kate, itself a short form of Katherine. | Not yet recorded |
| Origin | Greek, diminutive form | Not yet recorded |
| Pronunciation | /ˈkeɪ.ti/ | Not yet recorded |
| Syllables | 2 | 2 |
| 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, GB-SCT, IE, NZ |
| Most recent popularity observation | Republic of Ireland · Girls #41 (2025) | Republic of Ireland · Girls #544 (2025) |
| Pronunciation clarity (demonstration score) | 90/100 | Not yet recorded |
| Spelling simplicity (demonstration score) | 94/100 | 88/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Katie has a recorded origin (Greek, diminutive form); Kelsey does not have one recorded yet.
- Katie and Kelsey both have 2 syllables.
- A meaning is recorded for Katie; Kelsey doesn't have one written yet.
- Both names have recorded usage in GB-ENW, GB-NIR, GB-SCT, IE, NZ.
How each name got here
Katie
Popularity journey
First recorded1973
First recorded at #508 among girls in Republic of Ireland in 1973 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Girls
Highest recorded1997–2024
Highest recorded position: #1 among girls in Northern Ireland, in 2004 (recorded 1997–2024).
Northern Ireland · Girls
Most recent2025
Most recently recorded at #650 among girls in England and Wales, in 2025.
England and Wales · Girls
Kelsey
Popularity journey
First recorded1989
First recorded at #80 among girls in New Zealand in 1989 — the earliest year that source publishes this name, not necessarily the earliest it was used.
New Zealand · Girls
Highest recorded1989–1999
Highest recorded position: #48 among girls in New Zealand, in 1991 (recorded 1989–1999).
New Zealand · Girls
Most recent2025
Most recently recorded at #1271 among girls in England and Wales, in 2025.
England and Wales · Girls