Sergiusz
A Latin name meaning "servant". Always a boy's name in Poland and never a common one: about 4,000 men carry it, and the count of newborns keeps sliding, down to roughly a dozen last year.
Sergiusz Pronunciation
Sergiusz is pronounced SERG-yoosh (/ˈsɛrgjuʂ/).
What Sergiusz means
Where Sergiusz comes from and what it has meant to the people who carry it.
Sergiusz comes from Latin, from the old Roman family name Sergius that appears in records of the Republic long before it became a Christian given name. The Sergii were one of Rome's patrician clans, and the name traveled outward as their standing did.
The Polish sense of the name, sługa, servant, was fastened to it later, most likely under the influence of Christian humility and the saints named Sergius who served rather than ruled. Read that way, servant is a meaning the name grew into rather than one it was born with.
Cross the eastern border and the same name answers to Siergiej, the variant Polish speakers hear from Russian neighbors. In a Polish class register the boy is Sergiusz; a few kilometers of history away he might be Siergiej.
Short and plain. The origin is Latin, the borrowed sense is servant.
When Sergiusz celebrates name day
Sergiusz appears 5 times in the Polish name day calendar, 1 of them as a main name, the first on 9 September.
The days Polish calendars list this name on. By custom you celebrate one of them, usually the first after your birthday.
Rarer dates. Only the most complete calendars add this name on these days. Most skip them, so hardly anyone celebrates then.
How many people are named Sergiusz
1 in 5236 men in Poland is named Sergiusz. 4,077 people carry it in the 2025 register: rank #531 among male names.
Sergiusz's popularity over time
12 boys were given the name in 2025, ranking #661 among newborns. It has been falling steadily since 2000. Still the #531 name among living men, even as it slips to #661 among newborns.
Where Sergiusz is most popular
Sergiusz is most popular in Kuyavian-Pomeranian, 187% above the national average (17 boys born 2019–2025), followed by Warmian-Masurian (+106%) and Podlaskie (+97%). It is least common in Lower Silesian and Masovian, 76% and 43% below average respectively.
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Kuyavian-Pomeranian17 boys born+187%
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Warmian-Masurian8 boys born+106%
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Podlaskie7 boys born+97%
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Łódź12 boys born+75%
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Greater Poland18 boys born+54%
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Silesian18 boys born+46%
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Pomeranian9 boys born+13%
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Lesser Poland11 boys born−10%
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Opole2 boys born−20%
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Lubusz2 boys born−26%
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Masovian11 boys born−43%
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Lower Silesian2 boys born−76%
Sergiusz as a middle name
Sergiusz is a first name for 4,077 men in Poland and a middle name for another 2,006, a 67/33 split. In the men's middle-name ranking it sits 177th, between Bohdan (2,028) and Olgierd (2,000).
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#175 Tymon2,037
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#176 Bohdan2,028
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#177 Sergiusz2,006
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#178 Olgierd2,000
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#179 Aleksy1,952