Konstancjusz
From the Latin *constans*, "constant, steadfast", the long form standing behind the everyday Konstanty. So rare that most Poles have never met one, and a boy who carries it is likely the only one on his class register.
Konstancjusz Pronunciation
Konstancjusz is pronounced kons-TAHNTS-yoosh (/kɔnsˈtant͡sjuʂ/).
What Konstancjusz means
Where Konstancjusz comes from and what it has meant to the people who carry it.
Konstancjusz descends from the Latin Constantius, a name grown from constans, meaning constant and steadfast. Roman families used it as a mark of reliability. It named a person expected to hold firm.
The name belonged to emperors. Constantius Chlorus, father of Constantine the Great, ruled the western Roman provinces and died in 306. A grandson took it forward as Constantius II. So the Latin form travelled through an imperial line before it reached Polish.
In Poland it stayed rare. The variant konstanty became the everyday choice, and the feminine konstancja hands the same root to daughters. A boy called Konstancjusz today is likely the only one on his school register. The full Latin form keeps its old sense: constant, steadfast.
When Konstancjusz celebrates name day
Konstancjusz appears 7 times in the Polish name day calendar, never as a main name. The first of these dates is 29 January.
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 Konstancjusz
1 in 3049455 men in Poland is named Konstancjusz. 7 people carry it in the 2025 register: rank #20829 among male names.
Konstancjusz as a middle name
Konstancjusz is a first name for 7 men in Poland and a middle name for another 7, a 50/50 split, almost evenly. In the men's middle-name ranking it sits 3937th, between Killian (7) and Kosisochukwu (7).
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#3935 Khoi7
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#3936 Killian7
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#3937 Konstancjusz7
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#3938 Kosisochukwu7
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#3939 Kusuma7