Casey vs Mikolaj
Casey and Mikolajcompared 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 2024, Casey was ranked #162 and Mikolaj #655 among boys in Republic of Ireland.
England and Wales · Boys
In 2024, Casey was ranked #244 and Mikolaj #1076 among boys in England and Wales.
Northern Ireland · Boys
In 2020, Casey was ranked #270 and Mikolaj #392 among boys in Northern Ireland.
Casey and Mikolaj over time
Casey and Mikolaj appear together in 3 published lists, across 50 years of shared records. Casey held the stronger position in more years in 2 of them, Mikolaj in 1.
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.
Mikolaj reached its own highest recorded position earlier in 2 of those lists, Casey 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.
- One moved ahead of the other
In 2018, Casey moved ahead of Mikolaj in Republic of Ireland · Boys — #169 and #166 the year before became #187 and #239.
- Repeatedly exchanged positions
Casey and Mikolaj changed places 4 times in Northern Ireland · Boys between 2009 and 2020, ending at #270 and #392.
- Peaked in the same years
Both reached their highest recorded position in Northern Ireland · Boys within 2 years — Casey #191 in 2012, Mikolaj #230 in 2010.
List by list
England and Wales · Boys22 shared years, 2003–2024
Casey held the stronger position in 22 of those years, Mikolaj in 0.
Highest recorded here: Casey #218 in 2004, Mikolaj #322 in 2016.
The order between them never changed and held in this list.
Most recent shared year, 2024: Casey #244, Mikolaj #1076.
Republic of Ireland · Boys18 shared years, 2006–2024
Casey held the stronger position in 8 of those years, Mikolaj in 9.
Highest recorded here: Casey #146 in 2023, Mikolaj #166 in 2017.
The order changed in 2018: Casey moved ahead. In 2017 they stood at #169 and #166; by 2018 that had become #187 and #239.
Most recent shared year, 2024: Casey #162, Mikolaj #655.
Northern Ireland · Boys10 shared years, 2009–2020
Casey held the stronger position in 7 of those years, Mikolaj in 1.
Highest recorded here: Casey #191 in 2012, Mikolaj #230 in 2010.
The order between them never changed and held in this list.
Most recent shared year, 2020: Casey #270, Mikolaj #392.
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 | Casey | Mikolaj |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Official statistical record (evidence-only) |
| Gender usage | Used for both boys and girls | male |
| Meaning | Not yet recorded | Not yet recorded |
| Origin | Not yet recorded | Not yet recorded |
| Pronunciation | Not yet recorded | Not yet recorded |
| 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 | GB-ENW, GB-NIR, IE, NO |
| Most recent popularity observation | Republic of Ireland · Boys #118 (2025) | Norway · Boys #507 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 94/100 | 82/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Casey has 2 syllables, compared with 3 for Mikolaj.
- Both names have recorded usage in GB-ENW, GB-NIR, IE.
How each name got here
Casey
Popularity journey
First recorded1971
First recorded at #304 among boys in Republic of Ireland in 1971 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded1997–2024
Highest recorded position: #61 among girls in Northern Ireland, in 2007 (recorded 1997–2024).
Northern Ireland · Girls
Most recent2025
Most recently recorded at #718 among girls in Republic of Ireland, in 2025.
Republic of Ireland · Girls
Mikolaj
Popularity journey
First recorded1982
First recorded at #590 among boys in Norway in 1982 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded2006–2024
Highest recorded position: #166 among boys in Republic of Ireland, in 2017 (recorded 2006–2024).
Republic of Ireland · Boys
Most recent2025
Most recently recorded at #507 among boys in Norway, in 2025.
Norway · Boys