Janusz
Origin
Polish
Syllables
2
Peak era
Rare
Today
▬ Steady
Meaning
medieval Polish variant of Jan, a fixture of Poland's postwar generation
Popularity, 1890–2024
Janusz does not appear in US Social Security baby-name records, which list only names given to at least five babies in a year. There is no popularity curve to chart: a genuinely rare pick.
The Janusz deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Janusz truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Janusz fits with your family’s names and surname.
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