Declining since 2011, #3,181 for boys today.
Popularity of Zac since 1957
Babies named Zac per year in U.S. Social Security records.
Data table (by decade)
| Decade | Boys |
|---|---|
| 1950s | 5 |
| 1960s | 15 |
| 1970s | 100 |
| 1980s | 104 |
| 1990s | 110 |
| 2000s | 303 |
| 2010s | 692 |
| 2020s | 271 |
Meaning & origin
Zac is a concise, modern spelling of the classic nickname for Zachary. First recorded in 1957, it reached its peak rank of 3181 in 2014 and has since been declining in use. In 2025, approximately 1 in 46,164 boys was named Zac, reflecting its continued but niche presence. The name was most common in New Jersey and California, indicating a preference in more diverse states. Zac maintains a clean, straightforward image that appeals to parents seeking a short, strong name with biblical roots.
Zac originated as a diminutive of Zachary (from Hebrew Zechariah, meaning 'God has remembered'). It emerged as an independent given name in English-speaking countries during the mid-20th century. The spelling Zac follows a trend toward simplified, phonetic forms of biblical names.
Where Zac is most popular
Births per 100,000 boys by state, 2025. The lightest shade means too few recorded births.
“Zac” around the world
Where Zac lands in the latest official birth statistics abroad, matched to the U.S. spelling.
France
25
babies in 2024
Ireland
21
babies in 2025
New Zealand
12
babies in 2025
Quebec
9
babies in 2025
Sources: INSEE (France) · CSO Ireland (Ireland) · NZ Dept of Internal Affairs (New Zealand) · Retraite Québec (Quebec).
Nicknames & variants
Sibling names for Zac
Names that share Zac's style, for a brother or sister.

