Deirdre vs Jillian
Deirdre and Jilliancompared 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.
Republic of Ireland · Girls
In 2007, Deirdre was ranked #326 and Jillian #624 among girls in Republic of Ireland.
England and Wales · Girls
In 1997, Deirdre was ranked #3824 and Jillian #3824 among girls in England and Wales.
Deirdre and Jillian over time
Deirdre and Jillian appear together in 1 published list, across 40 years of shared records. Deirdre held the stronger position in more years in 1 of them, Jillian in 0.
In none of those lists did their order change and stay changed.
Deirdre reached its own highest recorded position earlier in 1 of those lists, and Jillian 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.
- Longest-running competitions
Deirdre and Jillian were both ranked in Republic of Ireland · Girls for 40 years, from 1964 to 2007, ending at #326 and #624.
List by list
Republic of Ireland · Girls40 shared years, 1964–2007
Deirdre held the stronger position in 39 of those years, Jillian in 0.
Highest recorded here: Deirdre #7 in 1966, Jillian #173 in 1982.
The order between them never changed and held in this list.
Most recent shared year, 2007: Deirdre #326, Jillian #624.
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 | Deirdre | Jillian |
|---|---|---|
| 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, IE | AU-NSW, GB-ENW, GB-NIR, IE, NZ |
| Most recent popularity observation | Republic of Ireland · Girls #871 (2019) | England and Wales · Girls #5891 (2024) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 82/100 | 82/100 |
| International familiarity (demonstration score) | 60/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Deirdre and Jillian both have 2 syllables.
- Both names have recorded usage in GB-ENW, IE.
How each name got here
Deirdre
Popularity journey
First recorded1964
First recorded at #14 among girls in Republic of Ireland in 1964 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Girls
Highest recorded1964–2019
Highest recorded position: #7 among girls in Republic of Ireland, in 1966 (recorded 1964–2019).
Republic of Ireland · Girls
Most recent2019
Most recently recorded at #871 among girls in Republic of Ireland, in 2019.
Republic of Ireland · Girls
Jillian
Popularity journey
First recorded1952
First recorded at #87 among girls in New South Wales, Australia in 1952 — the earliest year that source publishes this name, not necessarily the earliest it was used.
New South Wales, Australia · Girls
Highest recorded1954–1966
Highest recorded position: #44 among girls in New Zealand, in 1954 (recorded 1954–1966).
New Zealand · Girls
Most recent2024
Most recently recorded at #5891 among girls in England and Wales, in 2024.
England and Wales · Girls