As of 2015, the five most common Polish names for boys are Jakub, Kacper, Filip, Szymon and Jan, according to BabyNameWizard.com. These popular names all have Biblical origins.
Jakub, the most popular boys' name in Poland, comes from Hebrew and means "seizing by the heel." In the Bible, Jacob is a famous figure whose sons became the founders of the 12 tribes of Israel. The second most popular Polish boys' name is Kacper, which comes from the Dutch name "Gaspar." Gaspar is said to have been one of the three wise men who visited Christ on the night he was born.
Filip is the third most common Polish boys' name and has Latin and Greek roots, meaning "lover of horses." Filip, spelled Phillip in English, was one of the twelve apostles of Christ. The fourth most popular Polish boys' name is Szymon, originating from the name "Simon" in Hebrew. The most commonly known Simon in the Bible is the one who carried the cross of Christ.
The fifth most popular Polish boys' name is Jan. Jan equates to the name "John" in English and stems from Hebrew. John the Baptist, who baptized Christ, is the most well known John from the Bible.