Declining since 2013, #2,833 for boys today.
Popularity of Izaac since 1977
Babies named Izaac per year in U.S. Social Security records.
Data table (by decade)
| Decade | Boys |
|---|---|
| 1970s | 17 |
| 1980s | 22 |
| 1990s | 267 |
| 2000s | 1,099 |
| 2010s | 1,120 |
| 2020s | 320 |
Meaning & origin
Izaac is a modern respelling of the classic biblical name Isaac. Since first appearing in U.S. records in 1977, it reached its peak popularity in 2013, when it ranked significantly higher, but has since been on a falling trajectory. Currently, in 2025, it stands at rank 2,833, given to about 1 in 38,820 boys. The name has seen the most use in California. The variant spelling offers a contemporary twist while retaining the ancient meaning and heritage.
Izaac is a variant spelling of Isaac, which derives from the Hebrew name Yitzchak (יִצְחָק), meaning 'he will laugh.' In the Old Testament, Isaac is the son of Abraham and Sarah, born in their old age, and his name reflects Sarah's laughter upon hearing she would bear a child. The spelling Izaac, substituting 'z' for 's', emerged in English-speaking countries as a modern respelling, likely influenced by phonetic pronunciation and the desire for distinctiveness. It has been used in the United States since at least the late 20th century.
Where Izaac is most popular
Births per 100,000 boys by state, 2025. The lightest shade means too few recorded births.
“Izaac” around the world
Where Izaac lands in the latest official birth statistics abroad, matched to the U.S. spelling.
France
45
babies in 2024
Sources: INSEE (France).
Nicknames & variants
Nicknames: Izzy, Zac, Ike
Sibling names for Izaac
Names that share Izaac's style, for a brother or sister.
