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Zack

#1,435 in 2025Boys' name

Short form of Zachary

Zack has been given to 9,012 babies in the U.S. since 1880. In 2025 it ranked #1,435 of 13,926 boys’ names in use. Its peak year was 2008, with 237 recorded.

Babies named Zack, 2025

1 in 26,300

Zack over time, 1880–2025

Boys
010020030018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Zack: meaning, origin, and history

Short form of Zachary

Deeper origin not confirmed in the cited records

What Zack means

Zack is a short form of Zachary.

Meaning behind the documented name family

The name developed through Zack → Zachary → Zacharias. The family’s meaning is “Yahweh has remembered”, recorded in English with the source elements Zəḵaryā.

Origin, language, and formation

Zack is used in English.

Related names and everyday forms

Related names include Zachary and Zachariah.

Pronunciation and spelling

In English, Zack is pronounced /zæk/.

American usage and historical context

In the United States, 9,012 boys were recorded with the name Zack between 1880 and 2025. Its highest annual count was 237 in 2008; its best national rank was #317 in 1883.

Over 5 years its rank fell, from #1,307 in 2020 to #1,435 in 2025. Over 10 years its rank fell, from #1,222 in 2015 to #1,435 in 2025.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Zack?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 26,300
126 of 3,315,165 births
Among boys only
1 in 13,600
<0.01% of boys
Rank, 2025
#1,435
of 13,926 boys’ names in use
Coin-flip room size
18,238 kids
Even odds of a second one

Where Zack sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 5002%

Put another way: gather 18,238 children born in 2025 and it's an even bet that one of them is another Zack. In a class of 30 the chance is Under 1%.

When Zacks were born

Half of everyone ever recorded as Zack was born before 1999 — so the typical Zack is around 26 today.

Median birth year
1999
About 26 years old
Biggest decade
2000s
20.8% of all use
Born in the last 25 years
46.9%
Spread across generations
Recorded since 1950
6,951
People you could plausibly meet
Choose a decade

2000s — 20.8% of all recorded uses (1,872).

Is Zack rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
−40
Places dropped
Rank vs 5 years ago
−128
Places dropped
Rank vs 10 years ago
−213
Places dropped
Births vs 10 years ago
0.83×
Fewer babies than then
Share of its own peak
53.2%
Peak was 2008 (237)
Years since peak
17
Years
Year-to-year steadiness
Steady
10.2% average annual change
Best rank ever
#317
1883

Spellings of Zack

Zack is not the most common spelling — Mark is, with 51.5% against Zack's 0.34%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Zack is used

Across 2016–2025, Zack was most concentrated in New Jersey — about 1 in 5,263 boys, against 1 in 11,097 across all states with data. It was least common in Georgia (1 in 100,000).

119 per 100,000

Most concentrated

  1. 1New Jersey1 in 5,263
  2. 2New York1 in 5,263
  3. 3California1 in 7,143
  4. 4Florida1 in 7,143
  5. 5Massachusetts1 in 12,500
  6. 6Texas1 in 12,500
  7. 7Utah1 in 16,667
  8. 8Arizona1 in 20,000

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings.

Zack around the world

Where Zack ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    1996–2025
    #385
    in 2025
  • Scotland
    1988–2025
    #219
    in 2025
  • Northern Ireland
    1998–2025
    #270
    in 2025
  • Ireland
    1996–2025
    #179
    in 2025
  • France
    1997–2025
    #288
    in 2025
  • Canada
    1991–2024
    #217
    in 2024
  • South Australia
    1983–2013
    #239
    in 2013

Popularity data from Office for National Statistics, National Records of Scotland, Northern Ireland Statistics and Research Agency, Central Statistics Office, Institut national de la statistique et des études économiques, Statistics Canada and Consumer and Business Services (South Australia). ONS, NRS, NISRA data under Open Government Licence v3.0. CSO, CBS SA data under CC BY 4.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence.

Notable people named Zack

People whose public names include Zack, backed by Wikidata given-name records and ordered by linked Wikimedia pages. The name may be a middle name.

People data from Wikidata (CC0). Fame is measured, not judged — the order reflects how widely each person is documented, not the U.S. birth records popularity this page is otherwise about.

Zack in other languages

Cross-language forms and variants of Zack. Linked forms have their own page here.

ZacZakZachZakk

Variant forms from Wikidata (CC0). Most are used mainly outside the United States; U.S. birth records statistics cover US usage only.

Zack by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
#1,435
Trend vs 5 yrs ago
Down 128
Best rank ever
#317
1883
Peak year
2008
237 that year
First recorded
1880
Last recorded
2025
All-time count
9,012
Count in 2025
126

Names similar to Zack

Matched on shared beginnings and endings, similar length, and comparable popularity.

ZachZacMackZackeryZacheryZackaryZacariZaccaiZachariZachariaZacaryZachryZachariahZacharieIzackZacariasZachariasZacchaeusZacaiZackariahJackZaccheusZackryZacariah

Names with a curve like Zack

Not spelling — timing. These names rose, peaked and faded in the same years as Zack, so they read as being from the same moment even when they look nothing alike.

SimeonElishaMarianoTurnerAldoAdrienEdsonIshmaelAbnerMauroObedEphraim

Sibling names for Zack

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Zack

Top names of 2008, Zack's peak yearThe 2000s in fullOther names that peaked in 1883Boys' names starting with Z