Zac
Zac was the 3237th most popular name for boys in 2025, given to 37 babies. Its best year was 2014, when it ranked 1792nd with 84 babies. Over the last ten years it has moved down 1,070 places. More babies were named Zac in the 2010s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #3,237 boys, down 654 places since 2020
- Babies in 2025
- 37boys
- Girls and boys
- Almost always a boy’s name2021–2025
- Peak year
- 201484 babies
- Total since 1880
- 1,600babies recorded
Zac popularity since 1880
| Year | Rank (boys) | Babies (boys) |
|---|---|---|
| 2025 | #3,237 | 37 |
| 2020 | #2,583 | 50 |
| 2010 | #1,793 | 83 |
| 2000 | #5,580 | 13 |
| 1990 | #6,407 | 8 |
| 1980 | #3,611 | 12 |
| 1970 | #3,519 | 9 |
| 1960 | — | — |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Zac, counting every spelling?
Zac is a spelling of Zack, a name family that ranked #957 for boys in 2025 once every spelling is counted together, compared with #3,237 for Zac on its own. Together these spellings went to 229 boys in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Zack | 126 | #1,435 | 702 |
| Zach | 54 | #2,515 | 308 |
| Zac | 37 | #3,237 | 221 |
| Zak | 12 | #7,181 | 126 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Zac?
37 of the 3,606,400 babies born in the US in 2025 were named Zac (0.01 per 1,000 births). For a boy named Zac born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 226 (of 430 pupils) would have a child named Zac.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Zac?
About 1,600 people born in the US named Zac are alive today, with a median age of 14; half are between 9 and 22. That makes Zac mostly worn by children and young adults.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Zac by state
How common Zac was among boys born in each state in 2021–2025. It is notably more common than nationally in California (1.9×). In 46 states fewer than five boys a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Zac: their share of US boys followed the most similar curve since 1880. If you like Zac, they share its era and feel.
Zac is also a nickname for Zachary.
Questions about the name Zac
How popular is the name Zac?
Zac was the 3237th most popular name for boys in 2025, given to 37 babies. Its best year was 2014, when it ranked 1792nd with 84 babies. Over the last ten years it has moved down 1,070 places. More babies were named Zac in the 2010s than in any other decade.
Is Zac a boy or girl name?
In 2021–2025, almost always a boy’s name given the name Zac in the US.
Where is Zac most popular?
In 2021–2025, Zac was most common in California (0.05 per 1,000 boys), followed by Florida and New York.