Mac
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Meaning
“Gaelic prefix meaning 'son of', used as a standalone nickname”
The story
Mac can fit a family tree, an orchard, and a computer into three letters. The given name is a variant of Mack, often shortened from surnames beginning Mac or Mc. In Gaelic, mac means son, so countless longer surnames use it to state descent. A separate cultural turn came through the McIntosh apple. That cultivar inspired the name Macintosh for a computer project, and everyday speech eventually clipped Macintosh back to Mac. The machine did not create the personal name, and the apple is not its etymology. The pleasure is in watching the same sound cross unrelated systems: genealogy marks a son, a fruit names a machine, and a machine becomes a household nickname. Modern parents may arrive by any route or none of them. Mac works because it is brisk and complete on its own, but its history is surprisingly crowded. Open those three letters and several different kinds of family appear.
The formal names behind Mac
Mac is an established short form of each of these names.
Mackenzie · Scottish origin · surname, "son of Kenneth", traditionally "fair one"
Makenzie · Scottish origin · variant spelling of McKenzie, Scottish surname 'fair one'
How popular is Mac around the world?
In the United States, 2,323 babies were named Mac between 2020 and 2025. In Scotland, 34 boys named Mac were registered in 2024, the 139th most common name among boys that year.
Mac is on the official records of the United States, Scotland, New Zealand, Canada, England and Wales, South Australia and Brazil.
United States
1 in 9,400
In the United States, 2,323 babies were named Mac between 2020 and 2025.
Shape drawn from US Social Security baby-name records. Mac peaked in the 2020s. In US birth records Mac has stayed between 383 and 2,323 births in every decade since the 1950s: a name everyone knows and few children get.
Births with a Social Security record. Source: U.S. Social Security Administration
Scotland
1 in 1,300
In Scotland, 34 boys named Mac were registered in 2024, the 139th most common name among boys that year.
share of that year’s name registrations
Births registered in Scotland; different spellings count separately but accents are merged at source, and any spelling under 3 in total is suppressed. Source: National Records of Scotland, babies' first names
New Zealand
1 in 3,400
In New Zealand, 17 boys named Mac were registered in 2025.
share of that year’s name registrations
First given names from New Zealand birth registrations, grouped by registration year; any name under 10 in a year is excluded at source. Shares divide by Stats NZ’s count of births registered to mothers living in New Zealand, under 1% below the registry’s own count. Source: Department of Internal Affairs (New Zealand), baby name popularity over time
Canada
1 in 11,000
In Canada, 33 boys named Mac were born in 2024, the 794th most common name among boys that year.
share of that year’s name registrations
First given names from provincial and territorial vital statistics across Canada; any name-sex-year under 5 is excluded at source, and small Quebec counts carry a randomized adjustment made at source. Shares divide by Statistics Canada’s count of live births for the year; the 2024 count is preliminary. Source: Statistics Canada, first names at birth (table 17-10-0147-01)
England and Wales
1 in 14,000
In England and Wales, 42 boys named Mac were born in 2025, the 782nd most common name among boys that year.
share of that year’s name registrations
Birth registrations in England and Wales (not the whole UK); exact spellings are counted separately, and any spelling under 3 in a year is withheld at source. Source: Office for National Statistics, baby names in England and Wales
South Australia
1 in 18,0002017
In South Australia, 1 boy was registered as Mac in 2017.
The count never rose above 4 in a year, too few to chart.
Births registered in South Australia (not all of Australia) by first name and year of registration, 1944–2017, from the state’s Births, Deaths and Marriages registry, which publishes every name down to a single birth in capitals; a spelling its export repeats inside a year is counted once, and from 2018 only a top 100 is published, so the series ends at 2017. Source: Consumer and Business Services (South Australia), popular baby names
Brazil
1 in 500,000
At the 2022 census, 398 people in Brazil were named Mac, ranked 15,643rd, with a median age of 42.
Among people named Mac living in Brazil at the 2022 census, more were born in the 1970s than in any other decade.
people alive at the 2022 census, by decade of birth
People alive and resident in Brazil at the 2022 census, a living-population count, not births; names under 20 are withheld at source. Source: IBGE, Censo Demográfico 2022
Austria
last on record 2013
Mac is not on the 2025 record for Austria, which publishes every first name down to a single birth, so the name was not given there that year.
The count never rose above 1 in a year, too few to chart.
Live births in Austria by year of birth, 1984–2025, from Statistik Austria’s first-name statistics; spellings that differ only by special characters are counted together (umlauts stay apart), every name down to a single birth is published, and the count covers babies with Austrian citizenship only until 2009, every baby from 2010, and from 2015 also births abroad to mothers living in Austria. Shares divide by Statistik Austria’s count of live births from 2010, and before that by the file’s own total for the year. Source: Statistik Austria - data.statistik.gv.at (OGDEXT_VORNAMEN_1, updated 2026-07-09)
Ireland
last on record 2024
Mac is not on the 2025 record for Ireland, where names under 3 in a year are withheld at source.
The count never rose above 7 in a year, too few to chart.
Exact registered spellings from Irish vital statistics; any name under 3 in a year is withheld at source, and accented spellings (fadas) are recorded reliably only from 2018. Source: Central Statistics Office (Ireland), Irish babies' names
Montevideo City
last on record 1994
Mac is not on the 2011 record for Montevideo, whose registry withholds nothing, so the spelling was not given there that year.
The count never rose above 1 in a year, too few to chart.
Births in the department of Montevideo (not all of Uruguay) by first name and year of birth, 1940–2011, from the city’s civil registry, which writes names in capitals, almost always without accents; counted as spelling groups (accent and punctuation variants merged), nothing is withheld at source, and 2012 is excluded as a partial year. Source: Servicio de Registro Civil, Intendencia de Montevideo, Partidas de Registro Civil de Montevideo (Licencia de Datos Abiertos - Uruguay); 2012 dropped as partial
Not on the record in Spain, Mexico City, Argentina, Puerto Rico and Poland: those registries withhold small counts, so rare uses may sit below their floors.
Not on the Chile record: nametree keeps spellings that reached 5 registrations in some year, so rarer uses are not shown. Not on the France record: nametree keeps spellings that reached 20 births in some year, so rarer uses are not shown. Not on Norway’s list: Statistics Norway lists only first names carried by 200 or more living people, so rarer names are not shown.
Keep exploring
Short names · What is Mac short for? · Familiar but never popular
The Mac deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Mac truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Mac fits with your family’s names and surname.
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