Jill vs Therese
Jill and Theresecompared 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.
New South Wales, Australia · Girls
In 1959, Jill was ranked #100 and Therese #80 among girls in New South Wales, Australia.
Norway · Girls
In 2005, Jill was ranked #603 and Therese #155 among girls in Norway.
Northern Ireland · Girls
In 2011, Jill was ranked #444 and Therese #444 among girls in Northern Ireland.
Republic of Ireland · Girls
In 2015, Jill was ranked #581 and Therese #896 among girls in Republic of Ireland.
England and Wales · Girls
In 2012, Jill was ranked #5876 and Therese #4838 among girls in England and Wales.
Jill and Therese over time
Jill and Therese appear together in 3 published lists, across 99 years of shared records. Therese held the stronger position in more years in 2 of them, Jill in 1.
The order between them changed and held in 2 of those lists — a change in that published list, never a claim that one name displaced the other.
Each reached its own highest recorded position first in 1 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.
- Repeatedly exchanged positions
Jill and Therese changed places 5 times in England and Wales · Girls between 1996 and 2012, ending at #5876 and #4838.
- Mirrored each other
Over 37 shared years in Norway · Girls, Therese rose about as far as Jill fell — from #376 and #355 in 1948 to #603 and #155 in 2005.
- Longest-running competitions
Jill and Therese were both ranked in Norway · Girls for 37 years, from 1948 to 2005, ending at #603 and #155.
- Peaked in the same years
Both reached their highest recorded position in England and Wales · Girls within 2 years — Jill #1914 in 1996, Therese #2096 in 1996.
List by list
Republic of Ireland · Girls51 shared years, 1964–2015
Jill held the stronger position in 17 of those years, Therese in 31.
Highest recorded here: Jill #171 in 1977, Therese #98 in 1965.
The order changed in 2010: Jill moved ahead. In 2009 they stood at #641 and #641; by 2010 that had become #444 and #910.
Most recent shared year, 2015: Jill #581, Therese #896.
Norway · Girls37 shared years, 1948–2005
Jill held the stronger position in 2 of those years, Therese in 35.
Highest recorded here: Jill #169 in 1968, Therese #21 in 1986.
The order between them never changed and held in this list.
Most recent shared year, 2005: Jill #603, Therese #155.
England and Wales · Girls11 shared years, 1996–2012
Jill held the stronger position in 7 of those years, Therese in 4.
Highest recorded here: Jill #1914 in 1996, Therese #2096 in 1996.
The order changed in 2010: Therese moved ahead. In 2009 they stood at #4524 and #5545; by 2010 that had become #4012 and #3156.
Most recent shared year, 2012: Jill #5876, Therese #4838.
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 | Jill | Therese |
|---|---|---|
| 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 | ||
| Syllables | 1 | 3 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, IE, NO, NZ | AU-NSW, GB-ENW, GB-NIR, IE, NO |
| Most recent popularity observation | Republic of Ireland · Girls #747 (2022) | Norway · Girls #487 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 95/100 | 82/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Jill has 1 syllable, compared with 3 for Therese.
- Both names have recorded usage in AU-NSW, GB-ENW, GB-NIR, IE, NO.
How each name got here
Jill
Popularity journey
First recorded1948
First recorded at #376 among girls in Norway in 1948 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Girls
Highest recorded1952–1959
Highest recorded position: #62 among girls in New South Wales, Australia, in 1952 (recorded 1952–1959).
New South Wales, Australia · Girls
Most recent2022
Most recently recorded at #747 among girls in Republic of Ireland, in 2022.
Republic of Ireland · Girls
Therese
Popularity journey
First recorded1946
First recorded at #363 among girls in Norway in 1946 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Girls
Highest recorded1946–2025
Highest recorded position: #21 among girls in Norway, in 1986 (recorded 1946–2025).
Norway · Girls
Most recent2025
Most recently recorded at #487 among girls in Norway, in 2025.
Norway · Girls