NameCensus.
Rare

Mac

An Americanized form of the Scottish Gaelic name Mac meaning "son".

Name Census estimates that about 7,864 living Americans carry the first name Mac. It is a predominantly male name (99.5% of registrations). The average person named Mac today is around 34 years old, and the year with the single highest number of Mac births was 2022 (470 babies).

This page is the full Name Census profile for Mac. Below you will find a gender breakdown showing how the name splits between male and female registrations, a year-by-year popularity chart stretching back to 1880, decade-level totals, the top US states for this name, its meaning and etymology, and a set of frequently asked questions with data-backed answers.

Key insights

  • Although Mac is used almost entirely for boys, the SSA data does show 53 girls registered with the name since 1880.

People living today

7.9K

~ 1 in 43,585 Americans

Peak year

2022

470 babies that year

Average age

34

years old

2024 SSA rank

#696

Tracked since 1880

Gender

Gender distribution for Mac

Out of the 11,058 babies given the name Mac since 1880, 99.5% were registered as male. The name sits firmly on the male side of the spectrum, with only a handful of female registrations across the entire dataset.

100% male
Male11,005 (99.5%)Female53 (0.5%)

Mac as a male name

  • Ranked #696 in 2024
  • 387 male births in 2024
  • Peak: 2022 (465 births)

Mac as a female name

  • Ranked #10,816 in 2023
  • 9 female births in 2023
  • Peak: 2023 (9 births)

Popularity

Mac: popularity over time

The SSA tracks Mac from the 1880s through to the 2020s, spanning 15 decades of birth certificate data. The biggest single decade for the name was the 2020s, with 1,925 total registrations. The name continues to be given at rates close to its all-time high, suggesting it has not yet fallen out of fashion.

Babies born per year

MaleFemale
011823535347018801900192019401960198020002020

Decades

Mac by decade

The table below breaks the full SSA timeline into ten-year windows. Each row shows how many male and female babies were given the name Mac during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.

DecadeMaleFemaleTotal
1880s45045
1890s53053
1900s1280128
1910s4995504
1920s6797686
1930s7500750
1940s1,62771,634
1950s9290929
1960s5420542
1970s6470647
1980s3830383
1990s42110431
2000s7055710
2010s1,69101,691
2020s1,906191,925

Geography

Where Macs live

The SSA's state-level files cover 40 states and territories. Texas, California, North Carolina recorded the most babies named Mac, while West Virginia, Montana, Maine recorded the fewest. The average across all reporting states is about 145 registrations each.

Origin

Meaning and history of Mac

The name Mac originated as a prefix added to surnames in Scotland, derived from the Gaelic "mac" meaning "son". It emerged as a standalone first name in the late 19th century, gaining popularity in the early 20th century.

Mac traces its roots to the medieval Scottish Gaelic language, where "mac" was a common patronymic prefix used before a father's name or surname. It signified a familial relationship, denoting "son of". This practice was widespread among Scottish and Irish families, reflecting the cultural importance of lineage and clan affiliations.

The earliest recorded instances of Mac as a first name can be found in historical documents and records from the late 1800s. One of the earliest known individuals with the first name Mac was Mac Stevenson, born in Scotland in 1875. Another early bearer of the name was Mac Forrester, an American baseball player who played in the late 19th century.

As the 20th century progressed, Mac gained traction as a distinct first name, particularly in the United States and other English-speaking countries. Notable figures with the first name Mac include Mac Rebennack, better known as Dr. John, an American singer-songwriter and pianist born in 1940. Mac Davis, an American singer-songwriter and actor born in 1942, was another prominent bearer of the name.

In the field of literature, Mac Hyman was an American author and journalist born in 1923, known for his work on crime fiction and journalism. Mac Lesgill, born in 1901, was a British author and screenwriter who contributed to several notable films and television series.

Mac also found its way into the world of sports, with Mac Jones, an American football quarterback for the New England Patriots, being a contemporary example. Born in 1998, Jones has made a name for himself in the National Football League (NFL).

Throughout its history, the name Mac has carried a sense of Scottish heritage and cultural significance, reflecting its origins as a patronymic prefix. While initially a surname component, it has evolved into a distinct first name, embraced by individuals from various backgrounds and cultures.

Notable bearers

Famous people named Mac

People

Mac + last name combinations

How many people share a full name with Mac as the first name? Click a combination below to see the estimate, or search any pairing.

Related

Other names starting with M

Other first names starting with M with a similar number of bearers.

FAQ

Mac: questions and answers

How many people in the U.S. are named Mac?

Name Census puts the figure at roughly 7,864 living Americans. We arrive at this by taking every SSA birth registration for Mac going back to 1880 and adjusting each cohort for expected survival using CDC actuarial life tables. The result is an age-weighted living-bearer count, not a raw birth total. That works out to about 1 in 43,585 US residents.

Is Mac a common name?

We classify Mac as "Rare". It ranks above 97.3% of all first names in the SSA dataset by living bearers. Across the full history of the data, 11,058 babies have been registered with this name.

When was Mac most popular?

The single biggest year for Mac was 2022, when 470 babies received the name. The fact that the average living Mac is about 34 years old gives you a rough sense of which era contributed the most bearers who are still alive today.

Is Mac a male name?

Yes, 99.5% of people registered as Mac in the SSA data are male. You can see the full per-sex comparison in the gender distribution section above, which includes the latest year rank, birth count, and peak year for each sex.

Where does this data come from?

First-name figures come from the Social Security Administration's national baby name files, which cover every name on a birth certificate from 1880 to 2024. Living-bearer estimates layer in CDC actuarial life tables broken out by sex to account for mortality. The population baseline (342,754,338) is the Census Bureau's latest national estimate. You can read the full calculation on our methodology page.

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