Januariusz
Fewer than 70 men in Poland carry it, and the records show no boy given the name since 2000. Most Poles will never meet one. It comes from Latin, meaning roughly "of January".
Januariusz Pronunciation
Januariusz is pronounced yah-noo-AHR-yoosh (/januˈarjuʂ/).
What Januariusz means
Where Januariusz comes from and what it has meant to the people who carry it.
The name Januariusz comes straight from Latin. Januarius meant "of January", the month the Romans named for Janus, the two-faced god of doorways and beginnings. The Polish gloss keeps both threads: "styczniowy", of January, and "poświęcony Janusowi", dedicated to Janus.
The most documented bearer is Saint Januarius, martyred bishop of Benevento and patron of Naples, called San Gennaro in Italian. Twice a year a sealed vial of his dried blood is said to liquefy in the city's cathedral, a rite Neapolitans still crowd in to watch.
In Poland the full form stays rare. Its variant January is shorter, and it lands more easily on a school register at the start of term.
The meaning sits close to the calendar: styczniowy, of January.
When Januariusz celebrates name day
Januariusz appears 2 times in the Polish name day calendar, never as a main name. The first of these dates is 19 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 Januariusz
1 in 313915 men in Poland is named Januariusz. 68 people carry it in the 2025 register: rank #4398 among male names.
Januariusz as a middle name
Januariusz is a first name for 68 men in Poland and a middle name for another 43, a 61/39 split. In the men's middle-name ranking it sits 1203rd, between Domingo (43) and Jűrgen (43).
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#1201 Dobromił43
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#1202 Domingo43
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#1203 Januariusz43
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#1204 Jűrgen43
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#1205 Kristoffer43