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The short answer
Mack is a masculine name used in English. Behind the Name describes it this way: "From a surname, originally a shortened form of various Irish and Scottish surnames beginning with Mac or Mc (from Irish mac meaning ‘son’). It is also used as a generic slang term for a man." It ranked #463 for boys in the United States in 2025.
Meaning and etymology
According to Behind the Name, from a surname, originally a shortened form of various Irish and Scottish surnames beginning with Mac or Mc (from Irish mac meaning ‘son’). It is also used as a generic slang term for a man. The entry lists its usage as English.
Editorial confidence: likely
Popularity
Mack ranked #463 for boys in the United States in 2025. The figure comes from the Social Security Administration's national file for that year.
| Region | Year | Rank | Source |
|---|---|---|---|
| United States | 2025 | #463 | ssa-2025 |
If you like this name
Names that Behind the Name files under the same origin (English) and that sit near Mack in the 2025 American rankings.
Similar by origin
Frequently asked questions
What does the name Mack mean?
Behind the Name does not give Mack a one-word meaning. It describes the name as follows: from a surname, originally a shortened form of various Irish and Scottish surnames beginning with Mac or Mc.
Is Mack a popular name?
Mack ranked #463 for boys in the United States in 2025. (Social Security Administration data).
Is Mack a boy's or a girl's name?
In the 2025 SSA data Mack appears in the boys' list; Behind the Name labels it masculine.
Sources
- Behind the Name: Meaning, origin and history of the name Mack (1) — supports meaning, usage, pronunciation, variants.
- U.S. Social Security Administration: Popular Baby Names — national data, year of birth 2025 — supports popularity.
