Denis vs Thaddeus
Denis and Thaddeuscompared 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 · Boys
In 2021, Denis was ranked #182 and Thaddeus #755 among boys in Republic of Ireland.
England and Wales · Boys
In 2024, Denis was ranked #434 and Thaddeus #2921 among boys in England and Wales.
Denis and Thaddeus over time
Denis and Thaddeus appear together in 2 published lists, across 33 years of shared records. Denis held the stronger position in more years in 2 of them, Thaddeus in 0.
In none of those lists did their order change and stay changed.
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.
- Peaked in the same years
Both reached their highest recorded position in Republic of Ireland · Boys within 2 years — Denis #27 in 1967, Thaddeus #243 in 1968.
List by list
England and Wales · Boys23 shared years, 1996–2024
Denis held the stronger position in 23 of those years, Thaddeus in 0.
Highest recorded here: Denis #262 in 2020, Thaddeus #1470 in 2017.
The order between them never changed and held in this list.
Most recent shared year, 2024: Denis #434, Thaddeus #2921.
Republic of Ireland · Boys10 shared years, 1967–2021
Denis held the stronger position in 10 of those years, Thaddeus in 0.
Highest recorded here: Denis #27 in 1967, Thaddeus #243 in 1968.
The order between them never changed and held in this list.
Most recent shared year, 2021: Denis #182, Thaddeus #755.
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 | Denis | Thaddeus |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Official statistical record (evidence-only) |
| Gender usage | male | male |
| 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, GB-NIR, IE, NO, NZ | GB-ENW, IE |
| Most recent popularity observation | Republic of Ireland · Boys #232 (2025) | England and Wales · Boys #2921 (2024) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 94/100 | 76/100 |
| International familiarity (demonstration score) | 100/100 | 60/100 |
| Data Confidence | medium | medium |
What the data shows
- Denis and Thaddeus both have 2 syllables.
- Both names have recorded usage in GB-ENW, IE.
How each name got here
Denis
Popularity journey
First recorded1952
First recorded at #65 among boys 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 · Boys
Highest recorded1964–2025
Highest recorded position: #21 among boys in Republic of Ireland, in 1964 (recorded 1964–2025).
Republic of Ireland · Boys
Most recent2025
Most recently recorded at #232 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys
Thaddeus
Popularity journey
First recorded1967
First recorded at #265 among boys in Republic of Ireland in 1967 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded1967–2021
Highest recorded position: #243 among boys in Republic of Ireland, in 1968 (recorded 1967–2021).
Republic of Ireland · Boys
Most recent2024
Most recently recorded at #2921 among boys in England and Wales, in 2024.
England and Wales · Boys