Bartosz vs Liam
Bartosz and Liamcompared 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 2020, Bartosz was ranked #741 and Liam #7 among boys in Republic of Ireland.
Norway · Boys
In 2012, Bartosz was ranked #498 and Liam #8 among boys in Norway.
Northern Ireland · Boys
In 2011, Bartosz was ranked #245 and Liam #58 among boys in Northern Ireland.
England and Wales · Boys
In 2023, Bartosz was ranked #2546 and Liam #71 among boys in England and Wales.
Bartosz and Liam over time
Bartosz and Liam appear together in 3 published lists, across 58 years of shared records. Liam held the stronger position in more years in 3 of them, Bartosz in 0.
The order between them changed and held in one of those lists — a change in that published list, never a claim that one name displaced the other.
Bartosz reached its own highest recorded position earlier in 2 of those lists, Liam 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.
- Mirrored each other
Over 21 shared years in Norway · Boys, Liam rose about as far as Bartosz fell — from #206 and #586 in 1982 to #498 and #8 in 2012.
- Peaked in the same years
Both reached their highest recorded position in England and Wales · Boys within 2 years — Bartosz #376 in 2009, Liam #22 in 2008.
List by list
England and Wales · Boys21 shared years, 2001–2023
Bartosz held the stronger position in 0 of those years, Liam in 21.
Highest recorded here: Bartosz #376 in 2009, Liam #22 in 2008.
The order between them never changed and held in this list.
Most recent shared year, 2023: Bartosz #2546, Liam #71.
Norway · Boys21 shared years, 1982–2012
Bartosz held the stronger position in 8 of those years, Liam in 13.
Highest recorded here: Bartosz #206 in 1982, Liam #8 in 2012.
The order changed in 1998: Liam moved ahead. In 1997 they stood at #385 and #394; by 1998 that had become #355 and #275.
Most recent shared year, 2012: Bartosz #498, Liam #8.
Republic of Ireland · Boys16 shared years, 2005–2020
Bartosz held the stronger position in 0 of those years, Liam in 16.
Highest recorded here: Bartosz #148 in 2008, Liam #7 in 2019.
The order between them never changed and held in this list.
Most recent shared year, 2020: Bartosz #741, Liam #7.
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 | Bartosz | Liam |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Editorially researched profile |
| Gender usage | male | male |
| Meaning | Not yet recorded | A short form, inheriting its meaning from William — 'resolute protection' or 'will helmet'. |
| Origin | Not yet recorded | Irish, short form of William (via Uilliam) |
| Pronunciation | Not yet recorded | /ˈliːəm/ |
| Syllables | 2 | 1 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, GB-NIR, IE, NO | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ |
| Most recent popularity observation | England and Wales · Boys #2546 (2023) | Norway · Boys #7 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | 90/100 |
| Spelling simplicity (demonstration score) | 82/100 | 95/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Liam has a recorded origin (Irish, short form of William (via Uilliam)); Bartosz does not have one recorded yet.
- Bartosz has 2 syllables, compared with 1 for Liam.
- A meaning is recorded for Liam; Bartosz doesn't have one written yet.
- Both names have recorded usage in GB-ENW, GB-NIR, IE, NO.
How each name got here
Bartosz
Popularity journey
First recorded1974
First recorded at #483 among boys in Norway in 1974 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded2005–2020
Highest recorded position: #148 among boys in Republic of Ireland, in 2008 (recorded 2005–2020).
Republic of Ireland · Boys
Most recent2023
Most recently recorded at #2546 among boys in England and Wales, in 2023.
England and Wales · Boys
Liam
Popularity journey
First recorded1964
First recorded at #54 among boys in Republic of Ireland in 1964 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded1986–2023
Highest recorded position: #1 among boys in New Zealand, in 2010 (recorded 1986–2023).
New Zealand · Boys
Most recent2025
Most recently recorded at #15 among boys in New South Wales, Australia, in 2025.
New South Wales, Australia · Boys