Bill vs Dillion
Bill and Dillioncompared 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 2011, Bill was ranked #455 and Dillion #730 among boys in Republic of Ireland.
England and Wales · Boys
In 2015, Bill was ranked #2020 and Dillion #4747 among boys in England and Wales.
Bill and Dillion over time
Bill and Dillion appear together in 1 published list, across 8 years of shared records. Bill held the stronger position in more years in 1 of them, Dillion in 0.
In none of those lists did their order change and stay changed.
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 · Boys8 shared years, 1997–2015
Bill held the stronger position in 8 of those years, Dillion in 0.
Highest recorded here: Bill #613 in 1997, Dillion #2859 in 1997.
The order between them never changed and held in this list.
Most recent shared year, 2015: Bill #2020, Dillion #4747.
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 | Bill | Dillion |
|---|---|---|
| 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 | 1 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, IE | GB-ENW, IE |
| Most recent popularity observation | Republic of Ireland · Boys #676 (2025) | England and Wales · Boys #4747 (2015) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 95/100 | 82/100 |
| International familiarity (demonstration score) | 60/100 | 60/100 |
| Data Confidence | medium | medium |
What the data shows
- Bill has 1 syllable, compared with 2 for Dillion.
- Both names have recorded usage in GB-ENW, IE.
How each name got here
Bill
Popularity journey
First recorded1991
First recorded at #288 among boys in Republic of Ireland in 1991 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded1991–2025
Highest recorded position: #203 among boys in Republic of Ireland, in 1998 (recorded 1991–2025).
Republic of Ireland · Boys
Most recent2025
Most recently recorded at #676 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys
Dillion
Popularity journey
First recorded1997
First recorded at #2859 among boys in England and Wales in 1997 — the earliest year that source publishes this name, not necessarily the earliest it was used.
England and Wales · Boys
Highest recorded1997–2011
Highest recorded position: #241 among boys in Republic of Ireland, in 1999 (recorded 1997–2011).
Republic of Ireland · Boys
Most recent2015
Most recently recorded at #4747 among boys in England and Wales, in 2015.
England and Wales · Boys