Isaac
From Hebrew, carrying the sense "he will laugh". Only a few hundred men in Poland go by it, few enough that most people here have never met one, though it's slowly gaining ground among newborn boys.
Isaac Pronunciation
Isaac is pronounced ee-SAH-ahts (/iˈsaat͡s/).
What Isaac means
Where Isaac comes from and what it has meant to the people who carry it.
Isaac comes from the Hebrew Yitzhak, and it means "he will laugh." The laughter belongs to a story in Genesis: when Abraham and Sarah, both old, learned they would have a son, they laughed at the impossibility of it, and the child was named for that laugh. The Hebrew root is ṣ-ḥ-q, to laugh. So the name records a reaction, a moment of disbelief that turned into a boy.
Though its origin is Hebrew, Isaac reached Polish ears mostly through English. It is a name the English-speaking world kept close, from the biblical patriarch to Isaac Newton, who was born in 1643. The spelling stayed steady while the sound softened in different mouths.
In a Polish class register, Isaac now sits among the Jakubs and Filips, a name read as English more than ancient. The meaning in Polish is plain: śmiać się, to laugh. What began as one couple's astonishment ended as a first name that still means he will laugh.
How many people are named Isaac
1 in 65883 men in Poland is named Isaac. 324 people carry it in the 2025 register: rank #1674 among male names.
Isaac's popularity over time
2 boys were given the name in 2025, ranking #1612 among newborns. It has been climbing since 2024.
Isaac as a middle name
Isaac is a first name for 324 men in Poland and a middle name for another 212, a 60/40 split, almost evenly. In the men's middle-name ranking it sits 471st, between Otton (213) and Andrés (210).
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#469 Axel214
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#470 Otton213
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#471 Isaac212
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#472 Andrés210
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#473 Francesco209