Juliusz
A Latin name carrying the sense of youthfulness. Fewer than 9,000 Poles have it, all of them men and boys, so meeting one tends to stay with you.
Juliusz Pronunciation
Juliusz is pronounced YOOL-yoosh (/ˈjuljuʂ/).
What Juliusz means
Where Juliusz comes from and what it has meant to the people who carry it.
Juliusz descends from the Latin Iulius, the family name of an old Roman clan. The Polish gloss says it plainly: należący do rodu juliuszów, belonging to the house of the Juliuszes. The origin is Roman. Long before it became a given name, it was a surname passed down a bloodline.
The English sense "downy-bearded" or "youthful" arrived later, from an old guess that tied Iulius to the Latin iulus, the soft first down on a young face. Scholars treat that link as folk etymology rather than fact. Still, it stuck, and it lends Juliusz a note of early youth.
Poland knows the name best through Juliusz Słowacki, the Romantic poet born in 1809. His fame carried the name onto school registers and imieniny cards for generations. Around it stand the related forms: the variant Julius, the variant Julian, and the cross-gender Julia.
How many people are named Juliusz
1 in 2390 men in Poland is named Juliusz. 8,933 people carry it in the 2025 register: rank #377 among male names.
Juliusz's popularity over time
212 boys were given the name in 2025, ranking #177 among newborns. It has been climbing since 2000.
Where Juliusz is most popular
Juliusz is most popular in Masovian, 57% above the national average (436 boys born 2019–2025), followed by Pomeranian (+47%) and Kuyavian-Pomeranian (+39%). It is least common in Subcarpathian and Opole, 61% and 56% below average respectively.
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Masovian436 boys born+57%
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Pomeranian170 boys born+47%
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Kuyavian-Pomeranian119 boys born+39%
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Podlaskie64 boys born+24%
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Łódź109 boys born+10%
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Lower Silesian123 boys born0%
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Lubusz36 boys born−8%
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Greater Poland151 boys born−11%
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Warmian-Masurian46 boys born−18%
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Lesser Poland137 boys born−23%
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Lublin61 boys born−24%
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West Pomeranian50 boys born−25%
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Silesian122 boys born−32%
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Opole16 boys born−56%
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Świętokrzyskie19 boys born−56%
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Subcarpathian37 boys born−61%
Juliusz as a middle name
Juliusz is a first name for 8,933 men in Poland and a middle name for another 6,681, a 57/43 split — almost evenly. In the men's middle-name ranking it sits 119th, between Florian (7,166) and Augustyn (6,663).
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117
7,388Alfred
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118
7,166Florian
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1196,681Juliusz
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120
6,663Augustyn
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121
6,126Konstanty
When Juliusz celebrates name day
Juliusz appears 2 times in the Polish name day calendar. The main date is 12 April.