Guy vs Iestyn
Guy and Iestyncompared 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 2025, Guy was ranked #1226 and Iestyn #2269 among boys in England and Wales.
Guy and Iestyn over time
Guy and Iestyn appear together in 1 published list, across 30 years of shared records. Guy held the stronger position in more years in 1 of them, Iestyn in 0.
In none of those lists did their order change and stay changed.
Guy reached its own highest recorded position earlier in 1 of those lists, and Iestyn 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.
- Repeatedly exchanged positions
Guy and Iestyn changed places 4 times in England and Wales · Boys between 1996 and 2025, ending at #1226 and #2269.
- Longest-running competitions
Guy and Iestyn were both ranked in England and Wales · Boys for 30 years, from 1996 to 2025, ending at #1226 and #2269.
List by list
England and Wales · Boys30 shared years, 1996–2025
Guy held the stronger position in 27 of those years, Iestyn in 2.
Highest recorded here: Guy #168 in 1996, Iestyn #237 in 2004.
The order between them never changed and held in this list.
Most recent shared year, 2025: Guy #1226, Iestyn #2269.
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 | Guy | Iestyn |
|---|---|---|
| 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 | 1 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE | GB-ENW |
| Most recent popularity observation | Republic of Ireland · Boys #829 (2025) | England and Wales · Boys #2269 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 95/100 | 88/100 |
| International familiarity (demonstration score) | 100/100 | 40/100 |
| Data Confidence | medium | medium |
What the data shows
- Guy has 1 syllable, compared with 2 for Iestyn.
- Both names have recorded usage in GB-ENW.
How each name got here
Guy
Popularity journey
First recorded1959
First recorded at #100 among boys in New South Wales, Australia in 1959 — the earliest year that source publishes this name, not necessarily the earliest it was used.
New South Wales, Australia · Boys
Highest recorded1959–1970
Highest recorded position: #95 among boys in New South Wales, Australia, in 1970 (recorded 1959–1970).
New South Wales, Australia · Boys
Most recent2025
Most recently recorded at #1226 among boys in England and Wales, in 2025.
England and Wales · Boys
Iestyn
Popularity journey
First recorded1996
First recorded at #680 among boys in England and Wales in 1996 — the earliest year that source publishes this name, not necessarily the earliest it was used.
England and Wales · Boys
Highest recorded1996–2025
Highest recorded position: #237 among boys in England and Wales, in 2004 (recorded 1996–2025).
England and Wales · Boys
Most recent2025
Most recently recorded at #2269 among boys in England and Wales, in 2025.
England and Wales · Boys