Zac
Boy name · #3200 in 2025 · Very rare
How old is the name Zac? In official American birth records, Zac has been tracked continuously since 1957, giving it 68 years of documented American history.
Zac ranks #3200 among American boys' names as of 2025, with 37 newborns given the name that year. A decade ago it stood at #2145, so the name has been falling over the past ten years. Roughly one in every 48,649 boys born in 2025 was named Zac.
Babies named Zac per year. Source: Official national birth records.
The 68-year story
Zac first appears in the Social Security records in 1957, when 5 boys received the name. Its peak came in 2014, when 84 boys were named Zac — good for #1781 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Unlock the 5-year forecast and compare Zac against up to 5 other names.
Uniqueness: will there be another Zac in class?
On our rarity read — which blends how common Zac is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Zac will likely be the only one in the room, with the occasional spelling-out as the price.
Where Zac is most common
State-level data for Zac is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Nicknames & related forms of Zac
Zac belongs to the Zachary family — closely related nicknames and spellings of the same name.
Counted as one name, the Zachary family went to about 1,863 boys in 2025 — together they'd rank around #193, versus #3200 for Zac alone.
Names like Zac
Statistically, parents drawn to Zac tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Izaac, Ziyad, Zaine, Zakir, and Zyion.
IzaacZiyadZaineZakirZyionZiyonZiadBoe
Rank history (last 25 years)
| Year | Babies named Zac | Rank |
|---|---|---|
| 2025 | 37 | #3181 |
| 2024 | 35 | #3335 |
| 2023 | 48 | #2693 |
| 2022 | 47 | #2753 |
| 2021 | 54 | #2464 |
| 2020 | 50 | #2546 |
| 2019 | 50 | #2582 |
| 2018 | 56 | #2355 |
| 2017 | 67 | #2065 |
| 2016 | 74 | #1959 |
| 2015 | 64 | #2145 |
| 2014 | 84 | #1781 |
| 2013 | 63 | #2113 |
| 2012 | 74 | #1923 |
| 2011 | 77 | #1835 |
| 2010 | 83 | #1778 |
| 2009 | 70 | #1990 |
| 2008 | 52 | #2432 |
| 2007 | 34 | #3250 |
| 2006 | 19 | #4675 |
| 2005 | 21 | #4198 |
| 2004 | 35 | #2887 |
| 2003 | 20 | #4114 |
| 2002 | 14 | #5131 |
| 2001 | 25 | #3410 |
Frequently asked questions
How old is the name Zac?
In official American birth records, the name Zac first appeared in 1957 (over 68 years ago), when 5 newborn boys received the name. It has been tracked in modern national records for 68 years.
Is Zac a popular boy name?
Zac ranked #3200 among boys in 2025 with 37 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2145.
When was the name Zac most popular?
Zac peaked in 2014, when 84 American boys received the name (ranked #1781 that year). Since 2014 the name has declined from that high.
How rare is the name Zac?
In 2025, roughly 1 in 48,649 newborn American boys was named Zac. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.