Mathias vs Ruaidhri
Mathias and Ruaidhricompared 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 · Boys
In 2021, Mathias was ranked #433 and Ruaidhri #374 among boys in Northern Ireland.
Republic of Ireland · Boys
In 2015, Mathias was ranked #615 and Ruaidhri #615 among boys in Republic of Ireland.
England and Wales · Boys
In 2005, Mathias was ranked #1617 and Ruaidhri #3849 among boys in England and Wales.
Side by side
| Field | Mathias | Ruaidhri |
|---|---|---|
| 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 | |
| Syllables | 2 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, GB-NIR, IE, NO | GB-ENW, GB-NIR, IE |
| Most recent popularity observation | Norway · Boys #41 (2025) | Northern Ireland · Boys #339 (2024) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 82/100 | 76/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Mathias and Ruaidhri both have 2 syllables.
- Both names have recorded usage in GB-ENW, GB-NIR, IE.
How each name got here
Mathias
Popularity journey
First recorded1945
First recorded at #307 among boys in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded1945–2025
Highest recorded position: #2 among boys in Norway, in 2004 (recorded 1945–2025).
Norway · Boys
Most recent2025
Most recently recorded at #41 among boys in Norway, in 2025.
Norway · Boys
Ruaidhri
Popularity journey
First recorded1971
First recorded at #257 among boys in Republic of Ireland in 1971 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded1971–2017
Highest recorded position: #157 among boys in Republic of Ireland, in 1978 (recorded 1971–2017).
Republic of Ireland · Boys
Most recent2024
Most recently recorded at #339 among boys in Northern Ireland, in 2024.
Northern Ireland · Boys