Billy vs Leonardo
Billy and Leonardocompared 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, Billy was ranked #39 and Leonardo #188 among boys in Republic of Ireland.
New South Wales, Australia · Boys
In 2025, Billy was ranked #44 and Leonardo #79 among boys in New South Wales, Australia.
England and Wales · Boys
In 2024, Billy was ranked #127 and Leonardo #124 among boys in England and Wales.
Scotland · Boys
In 2024, Billy was ranked #234 and Leonardo #234 among boys in Scotland.
Northern Ireland · Boys
In 2024, Billy was ranked #256 and Leonardo #256 among boys in Northern Ireland.
Billy and Leonardo over time
Billy and Leonardo appear together in 3 published lists, across 64 years of shared records. Billy held the stronger position in more years in 3 of them, Leonardo in 0.
In none of those lists did their order change and stay changed.
Billy reached its own highest recorded position earlier in 2 of those lists, Leonardo in 1. 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
Billy and Leonardo changed places 5 times in England and Wales · Boys between 1996 and 2024, ending at #127 and #124.
- Mirrored each other
Over 29 shared years in England and Wales · Boys, Leonardo rose about as far as Billy fell — from #71 and #1458 in 1996 to #127 and #124 in 2024.
- Peaked in the same years
Both reached their highest recorded position in Republic of Ireland · Boys within 2 years — Billy #39 in 2025, Leonardo #166 in 2023.
List by list
England and Wales · Boys29 shared years, 1996–2024
Billy held the stronger position in 25 of those years, Leonardo in 4.
Highest recorded here: Billy #68 in 1998, Leonardo #116 in 2019.
The order between them never changed and held in this list.
Most recent shared year, 2024: Billy #127, Leonardo #124.
Republic of Ireland · Boys24 shared years, 2002–2025
Billy held the stronger position in 24 of those years, Leonardo in 0.
Highest recorded here: Billy #39 in 2025, Leonardo #166 in 2023.
The order between them never changed and held in this list.
Most recent shared year, 2025: Billy #39, Leonardo #188.
Northern Ireland · Boys11 shared years, 2013–2024
Billy held the stronger position in 9 of those years, Leonardo in 0.
Highest recorded here: Billy #169 in 2015, Leonardo #249 in 2021.
The order between them never changed and held in this list.
Most recent shared year, 2024: Billy #256, Leonardo #256.
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 | Billy | Leonardo |
|---|---|---|
| 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 | ||
| Syllables | 2 | 3 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NZ | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO |
| Most recent popularity observation | Republic of Ireland · Boys #39 (2025) | New South Wales, Australia · Boys #79 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 94/100 | 76/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Billy has 2 syllables, compared with 3 for Leonardo.
- Both names have recorded usage in AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE.
How each name got here
Billy
Popularity journey
First recorded1970
First recorded at #305 among boys in Republic of Ireland in 1970 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded1970–2025
Highest recorded position: #39 among boys in Republic of Ireland, in 2025 (recorded 1970–2025).
Republic of Ireland · Boys
Most recent2025
Most recently recorded at #44 among boys in New South Wales, Australia, in 2025.
New South Wales, Australia · Boys
Leonardo
Popularity journey
First recorded1966
First recorded at #463 among boys in Norway in 1966 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded2018–2025
Highest recorded position: #66 among boys in New South Wales, Australia, in 2022 (recorded 2018–2025).
New South Wales, Australia · Boys
Most recent2025
Most recently recorded at #79 among boys in New South Wales, Australia, in 2025.
New South Wales, Australia · Boys