Name
Isaac
Meaning
Isaac is a masculine name of Hebrew origin meaning “he will laugh”.
Isaac comes from the Hebrew Yitzchak, he will laugh, commemorating Sarah's laughter at the news she would bear a son at ninety. The name has carried that wry joy through Newton, Asimov, and Bashevis Singer, and it remains a rare biblical name whose literal meaning is a smile.
A US top-50 boys' name continuously since the 2000s.
Popularity in the United States
Boys
Ranked #47 in 2025 · peak #28 in 2013
Data: US Social Security Administration, top-1000 ranks.
At a glance
Advertisement
Questions
Isaac is a masculine name of Hebrew origin meaning “he will laugh”. Isaac comes from the Hebrew Yitzchak, he will laugh, commemorating Sarah's laughter at the news she would bear a son at ninety.
Isaac is traditionally a masculine (boy) name. It is a US top-50 boys' name continuously since the 2000s.
The name Isaac comes from Hebrew. Isaac comes from the Hebrew Yitzchak, he will laugh, commemorating Sarah's laughter at the news she would bear a son at ninety. The name has carried that wry joy through Newton, Asimov, and Bashevis Singer, and it remains a rare biblical name whose literal meaning is a smile.
Isaac is pronounced EYE-zik.
More names that mean joy
Names that share this meaning.