Arthur vs Thiago
Arthur and Thiagocompared 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.
England and Wales · Boys
In 2024, Arthur was ranked #4 and Thiago #395 among boys in England and Wales.
Republic of Ireland · Boys
In 2025, Arthur was ranked #57 and Thiago #577 among boys in Republic of Ireland.
Arthur and Thiago over time
Arthur and Thiago appear together in 2 published lists, across 30 years of shared records. Arthur held the stronger position in more years in 2 of them, Thiago in 0.
In none of those lists did their order change and stay changed.
Arthur reached its own highest recorded position earlier in 1 of those lists, and Thiago 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.
List by list
England and Wales · Boys22 shared years, 2003–2024
Arthur held the stronger position in 22 of those years, Thiago in 0.
Highest recorded here: Arthur #3 in 2020, Thiago #377 in 2023.
The order between them never changed and held in this list.
Most recent shared year, 2024: Arthur #4, Thiago #395.
Republic of Ireland · Boys8 shared years, 2016–2025
Arthur held the stronger position in 8 of those years, Thiago in 0.
Highest recorded here: Arthur #47 in 2024, Thiago #394 in 2024.
The order between them never changed and held in this list.
Most recent shared year, 2025: Arthur #57, Thiago #577.
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 | Arthur | Thiago |
|---|---|---|
| Record type | Editorially researched profile | Official statistical record (evidence-only) |
| Gender usage | male | male |
| Meaning | Meaning debated — no single origin is established with confidence. | Not yet recorded |
| Origin | Disputed — possibly Celtic (Brittonic), possibly Roman | Not yet recorded |
| Pronunciation | /ˈɑɹθər/ | Not yet recorded |
| Syllables | 2 | 2 |
| Common variants / nicknames | Art, Artie | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ | GB-ENW, IE |
| Most recent popularity observation | New South Wales, Australia · Boys #19 (2025) | Republic of Ireland · Boys #577 (2025) |
| Pronunciation clarity (demonstration score) | 90/100 | Not yet recorded |
| Spelling simplicity (demonstration score) | 88/100 | 88/100 |
| International familiarity (demonstration score) | 100/100 | 60/100 |
| Data Confidence | high | medium |
What the data shows
- Arthur has a recorded origin (Disputed — possibly Celtic (Brittonic), possibly Roman); Thiago does not have one recorded yet.
- Arthur and Thiago both have 2 syllables.
- A meaning is recorded for Arthur; Thiago doesn't have one written yet.
- Both names have recorded usage in GB-ENW, IE.
- The available evidence gives Arthur a "high" Data Confidence level and Thiago a "medium" level — this reflects how complete and corroborated the underlying evidence is, not a judgement of either name.
How each name got here
Arthur
Popularity journey
First recorded1945
First recorded at #153 among boys in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded1996–2024
Highest recorded position: #3 among boys in England and Wales, in 2020 (recorded 1996–2024).
England and Wales · Boys
Most recent2025
Most recently recorded at #19 among boys in New South Wales, Australia, in 2025.
New South Wales, Australia · Boys
Thiago
Popularity journey
First recorded2003
First recorded at #2470 among boys in England and Wales in 2003 — the earliest year that source publishes this name, not necessarily the earliest it was used.
England and Wales · Boys
Highest recorded2003–2024
Highest recorded position: #377 among boys in England and Wales, in 2023 (recorded 2003–2024).
England and Wales · Boys
Most recent2025
Most recently recorded at #577 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys