Korneliusz
At root a form of the Latin Cornelius, tied to the word for "horn". It stays rare in Poland: about 2,400 men carry it and most people have never met one, though newborns have ticked back up lately.
Korneliusz Pronunciation
Korneliusz is pronounced kor-NEL-yoosh (/kɔrˈnɛljuʂ/).
What Korneliusz means
Where Korneliusz comes from and what it has meant to the people who carry it.
Korneliusz comes from the Latin family name Cornelius, borne by one of Rome's great clans, the gens Cornelia. Roman writers linked it to cornu, the Latin word for horn, and that is the meaning Polish keeps today: róg. The English word horn grows from the same ancient root, which makes the two distant cousins across languages.
The name entered Christian tradition through Cornelius, the Roman centurion baptised in the Acts of the Apostles, and later through a third-century pope of the same name. His feast falls on 16 September, and that date still marks the imieniny of men called Korneliusz.
In Poland the fuller Korneliusz sits beside the shorter Kornel, a variant that can appear on its own in a school register. Its feminine counterpart is Kornelia. Behind all three forms stands cornu, the horn.
How many people are named Korneliusz
1 in 8935 men in Poland is named Korneliusz. 2,389 people carry it in the 2025 register: rank #654 among male names.
Korneliusz's popularity over time
45 boys were given the name in 2025, ranking #368 among newborns. It has been stable for a decade.
Where Korneliusz is most popular
Korneliusz is most popular in Pomeranian, 69% above the national average (28 boys born 2019–2025), followed by Silesian (+48%) and Lublin (+39%). It is least common in West Pomeranian and Świętokrzyskie, 79% and 68% below average respectively.
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Pomeranian28 boys born+69%
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Silesian38 boys born+48%
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Lublin16 boys born+39%
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Warmian-Masurian11 boys born+36%
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Lower Silesian22 boys born+25%
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Kuyavian-Pomeranian15 boys born+22%
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Greater Poland24 boys born−1%
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Subcarpathian13 boys born−4%
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Masovian36 boys born−10%
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Lesser Poland21 boys born−18%
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Opole4 boys born−23%
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Łódź9 boys born−37%
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Lubusz2 boys born−64%
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Świętokrzyskie2 boys born−68%
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West Pomeranian2 boys born−79%
Korneliusz as a middle name
Korneliusz is a first name for 2,389 men in Poland and a middle name for another 817, a 75/25 split. In the men's middle-name ranking it sits 250th, between Carlos (819) and Milan (806).
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248
823Javier
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249
819Carlos
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250817Korneliusz
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251
806Milan
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252
804Cyryl