Isaac is a distinctive girls' name in United States, ranking #9719 in 2025 with 10 recorded births. This places Isaac in the bottom 44% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2004 with 41 births ranking #3588. Since 1996, the popularity has increased by 11.1%. In 2025, approximately 1 in every 160,727 girls born was named Isaac. RISING Recent data shows the name is currently rising.
Isaac is a Hebrew biblical name meaning "he will laugh". It balances warmth and history beautifully, which is why it has remained such a steady classic.
The name is central in the Hebrew Bible and later spread widely through Jewish and Christian tradition. In modern naming it feels familiar, gentle, and quietly intelligent.