Leszek
Meaning
traditionally linked to Lech, the legendary founder of Poland. A medieval diminutive that grew into a formal name, making it the neatest demonstration of the Polish -ek system that turns Jan into Janek and Wojciech into Wojtek; a favorite of Poland's midcentury generation.
Popularity, 1890–2024
Shape drawn from US Social Security baby-name records. Leszek has stayed rare in US records the whole time: no peak decade to name.
The Leszek deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Leszek 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 Leszek fits with your family’s names and surname.
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