Holding steady.
Popularity of Isiac since 1912
Babies named Isiac per year in U.S. Social Security records. Raw births topped out in 2001, but relative to how few babies were recorded back then, Isiac's real moment was 1912.
Data table (by decade)
| Decade | Boys |
|---|---|
| 1910s | 15 |
| 1920s | 16 |
| 1930s | 11 |
| 1940s | 0 |
| 1950s | 0 |
| 1960s | 6 |
| 1970s | 0 |
| 1980s | 5 |
| 1990s | 21 |
| 2000s | 114 |
| 2010s | 7 |
| 2020s | 0 |
Meaning & origin
Isiac is a rare given name in the United States, first recorded in 1912 according to Social Security data. It has never ranked among the top 1,000 names, with its peak year of use also being 1912, after which it disappeared from records. The name remained stable in extreme rarity. Its exact origin is uncertain, but it is almost certainly a variant of either Isaac or Isaiah, both of which are Hebrew-derived names with well-known meanings. Because Isiac has never gained widespread use, it carries an uncommon, distinctive quality. While it lacks top-state association due to extremely low frequency, the name's closest stylistic relatives include other biblical variants like Isaac and Isaiah, as well as short forms like Ez or Izzy. For families seeking a name that feels both familiar in sound and rare in practice, Isiac offers a quiet, under-the-radar option.
Isiac is a rare name of uncertain derivation. It may be a modern variation of Isaac (from Hebrew Yitzchaq, meaning 'he will laugh') or a short form of Isaiah (from Hebrew Yeshayahu, meaning 'Yahweh is salvation'). The name first appeared in U.S. records in 1912 but has never ranked in the top 1,000, used only sporadically.
Nicknames & variants
Nicknames: Izzy, Zac
Sibling names for Isiac
Names that share Isiac's style, for a brother or sister.
