Kacper vs Tomas
Kacper and Tomascompared 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.
Northern Ireland · Boys
In 2021, Kacper was ranked #433 and Tomas #119 among boys in Northern Ireland.
Norway · Boys
In 2025, Kacper was ranked #433 and Tomas #389 among boys in Norway.
Scotland · Boys
In 2024, Kacper was ranked #619 and Tomas #478 among boys in Scotland.
Republic of Ireland · Boys
In 2025, Kacper was ranked #829 and Tomas #577 among boys in Republic of Ireland.
England and Wales · Boys
In 2024, Kacper was ranked #773 and Tomas #602 among boys in England and Wales.
Kacper and Tomas over time
Kacper and Tomas appear together in 4 published lists, across 97 years of shared records. Tomas held the stronger position in more years in 3 of them, Kacper in 1.
In none of those lists did their order change and stay changed.
Tomas reached its own highest recorded position earlier in 2 of those lists, Kacper 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
Kacper and Tomas changed places 6 times in Norway · Boys between 1984 and 2025, ending at #433 and #389.
- Longest-running competitions
Kacper and Tomas were both ranked in Norway · Boys for 36 years, from 1984 to 2025, ending at #433 and #389.
- Peaked in the same years
Both reached their highest recorded position in Northern Ireland · Boys within 2 years — Kacper #136 in 2009, Tomas #102 in 2009.
List by list
Norway · Boys36 shared years, 1984–2025
Kacper held the stronger position in 15 of those years, Tomas in 21.
Highest recorded here: Kacper #173 in 2004, Tomas #75 in 1984.
The order between them never changed and held in this list.
Most recent shared year, 2025: Kacper #433, Tomas #389.
England and Wales · Boys24 shared years, 2001–2024
Kacper held the stronger position in 16 of those years, Tomas in 8.
Highest recorded here: Kacper #158 in 2008, Tomas #177 in 2001.
The order between them never changed and held in this list.
Most recent shared year, 2024: Kacper #773, Tomas #602.
Republic of Ireland · Boys22 shared years, 2004–2025
Kacper held the stronger position in 7 of those years, Tomas in 15.
Highest recorded here: Kacper #92 in 2008, Tomas #81 in 2009.
The order between them never changed and held in this list.
Most recent shared year, 2025: Kacper #829, Tomas #577.
Northern Ireland · Boys15 shared years, 2006–2021
Kacper held the stronger position in 0 of those years, Tomas in 15.
Highest recorded here: Kacper #136 in 2009, Tomas #102 in 2009.
The order between them never changed and held in this list.
Most recent shared year, 2021: Kacper #433, Tomas #119.
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 | Kacper | Tomas |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Editorially researched profile |
| Gender usage | male | male |
| Meaning | Not yet recorded | The Swedish, Norwegian and Lithuanian form of Thomas, from the biblical name with Aramaic roots meaning 'twin'. |
| Origin | Not yet recorded | Aramaic, via Swedish/Norwegian transmission |
| Pronunciation | Not yet recorded | /ˈtʊm.mas/ |
| Syllables | 2 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, GB-NIR, GB-SCT, IE, NO | GB-ENW, GB-NIR, GB-SCT, IE, NO |
| Most recent popularity observation | Norway · Boys #433 (2025) | Norway · Boys #389 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | 90/100 |
| Spelling simplicity (demonstration score) | 88/100 | 94/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Tomas has a recorded origin (Aramaic, via Swedish/Norwegian transmission); Kacper does not have one recorded yet.
- Kacper and Tomas both have 2 syllables.
- A meaning is recorded for Tomas; Kacper doesn't have one written yet.
- Both names have recorded usage in GB-ENW, GB-NIR, GB-SCT, IE, NO.
How each name got here
Kacper
Popularity journey
First recorded1984
First recorded at #624 among boys in Norway in 1984 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded2004–2025
Highest recorded position: #92 among boys in Republic of Ireland, in 2008 (recorded 2004–2025).
Republic of Ireland · Boys
Most recent2025
Most recently recorded at #433 among boys in Norway, in 2025.
Norway · Boys
Tomas
Popularity journey
First recorded1945
First recorded at #337 among boys in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded1945–2025
Highest recorded position: #53 among boys in Norway, in 1981 (recorded 1945–2025).
Norway · Boys
Most recent2025
Most recently recorded at #389 among boys in Norway, in 2025.
Norway · Boys