Dylan vs Rio
Dylan and Riocompared 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 2025, Dylan was ranked #69 and Rio #244 among boys in Republic of Ireland.
England and Wales · Boys
In 2025, Dylan was ranked #72 and Rio #166 among boys in England and Wales.
Scotland · Boys
In 2024, Dylan was ranked #104 and Rio #110 among boys in Scotland.
Northern Ireland · Boys
In 2024, Dylan was ranked #154 and Rio #154 among boys in Northern Ireland.
England and Wales · Girls
In 2025, Dylan was ranked #2006 and Rio #1362 among girls in England and Wales.
Dylan and Rio over time
Dylan and Rio appear together in 4 published lists, across 101 years of shared records. Dylan held the stronger position in more years in 3 of them, Rio in 1.
In none of those lists did their order change and stay changed.
Each reached its own highest recorded position first in 2 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
Dylan and Rio changed places 6 times in England and Wales · Girls between 1996 and 2025, ending at #2006 and #1362.
- Longest-running competitions
Dylan and Rio were both ranked in England and Wales · Boys for 30 years, from 1996 to 2025, ending at #72 and #166.
- Peaked in the same years
Both reached their highest recorded position in England and Wales · Boys within 2 years — Dylan #16 in 2010, Rio #155 in 2008.
List by list
England and Wales · Boys30 shared years, 1996–2025
Dylan held the stronger position in 30 of those years, Rio in 0.
Highest recorded here: Dylan #16 in 2010, Rio #155 in 2008.
The order between them never changed and held in this list.
Most recent shared year, 2025: Dylan #72, Rio #166.
England and Wales · Girls27 shared years, 1996–2025
Dylan held the stronger position in 3 of those years, Rio in 23.
Highest recorded here: Dylan #1454 in 2021, Rio #594 in 1996.
The order between them never changed and held in this list.
Most recent shared year, 2025: Dylan #2006, Rio #1362.
Northern Ireland · Boys22 shared years, 2003–2024
Dylan held the stronger position in 21 of those years, Rio in 0.
Highest recorded here: Dylan #8 in 2004, Rio #121 in 2023.
The order between them never changed and held in this list.
Most recent shared year, 2024: Dylan #154, Rio #154.
Republic of Ireland · Boys22 shared years, 2002–2025
Dylan held the stronger position in 22 of those years, Rio in 0.
Highest recorded here: Dylan #9 in 2012, Rio #244 in 2025.
The order between them never changed and held in this list.
Most recent shared year, 2025: Dylan #69, Rio #244.
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 | Dylan | Rio |
|---|---|---|
| Record type | Editorially researched profile | Official statistical record (evidence-only) |
| Gender usage | male | male |
| Meaning | Traditionally associated with the sea/tide — popularly glossed as 'great tide' or 'born from the sea', reflecting the mythological figure's role. Some scholars theorise the figure may reflect an earlier, otherwise unattested Celtic sea god — treat as a proposed origin, not settled fact. | Not yet recorded |
| Origin | Welsh | Not yet recorded |
| Pronunciation | /ˈdɪlən/ | Not yet recorded |
| Syllables | 2 | 1 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NZ | GB-ENW, GB-NIR, GB-SCT, IE |
| Most recent popularity observation | Republic of Ireland · Boys #69 (2025) | England and Wales · Boys #166 (2025) |
| Pronunciation clarity (demonstration score) | 90/100 | Not yet recorded |
| Spelling simplicity (demonstration score) | 94/100 | 95/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Dylan has a recorded origin (Welsh); Rio does not have one recorded yet.
- Dylan has 2 syllables, compared with 1 for Rio.
- A meaning is recorded for Dylan; Rio doesn't have one written yet.
- Both names have recorded usage in GB-ENW, GB-NIR, GB-SCT, IE.
How each name got here
Dylan
Popularity journey
First recorded1969
First recorded at #246 among boys in Republic of Ireland in 1969 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded1980–2020
Highest recorded position: #7 among boys in New Zealand, in 1992 (recorded 1980–2020).
New Zealand · Boys
Most recent2025
Most recently recorded at #2006 among girls in England and Wales, in 2025.
England and Wales · Girls
Rio
Popularity journey
First recorded1996
First recorded at #594 among girls in England and Wales in 1996 — the earliest year that source publishes this name, not necessarily the earliest it was used.
England and Wales · Girls
Most recent2025
Most recently recorded at #1362 among girls in England and Wales, in 2025.
England and Wales · Girls