Mcmillan — Last Name Origin & Meaning

Irish/Scottish origin Rank #860 in the US 40,237 Americans

US Rank (2010)
#860
▼ Down 50 since 2000
People in the US
40,237
13.64 per 100K people
Origin
Irish/Scottish
Gaelic

Origin & Meaning of the Mcmillan Surname

What does the last name Mcmillan mean?

The surname Mcmillan carries the meaning "Son of Mcmillan." It is derived from the Gaelic language and has been passed down through generations, reflecting the occupations, locations, or characteristics of early bearers of the name. With 40,237 bearers in the 2010 US Census, Mcmillan ranks as the #860 most common surname in the United States.

Where does the surname Mcmillan come from?

The Mcmillan surname has its roots in Irish/Scottish heritage. Names of Irish/Scottish origin often reflect the cultural, linguistic, and historical traditions of the communities where they first appeared. Over centuries, migration and cultural exchange have spread the Mcmillan name far beyond its original homeland.

Language of Origin

The linguistic roots of Mcmillan trace back to Gaelic. Understanding the original language helps decode the meaning and evolution of the name from its earliest recorded forms to the modern spelling used today.

Irish/Scottish Gaelic

Quick Facts

Surname Mcmillan
Meaning Son of Mcmillan
Origin Irish/Scottish
Language Gaelic
US Rank (2010) #860
US Count (2010) 40,237
Per 100K People 13.64
First Letter M

Ethnic Distribution of Mcmillan

According to the US Census, the Mcmillan surname is distributed across the following ethnic groups. This data reflects self-reported ethnicity among 40,237 Americans with the Mcmillan last name.

White 67.96%
Black 25.64%
Hispanic 2.15%
Asian/PI 0.59%
Native American 1.27%
Two+ Races 2.4%
Ethnic distribution of the Mcmillan surname in the US (2010 Census)
Ethnicity Percentage
White67.96%
Black25.64%
Hispanic2.15%
Asian/Pacific Islander0.59%
Native American1.27%
Two or More Races2.4%

Popularity of Mcmillan Over Time

Comparing US Census data from 2000 and 2010 shows how the Mcmillan surname has changed in prevalence.

Census 2000
#810
38,896 people
Down 50
Census 2010
#860
40,237 people

The number of Americans with the Mcmillan surname increased by 1,341 between 2000 and 2010.

Discover Your Mcmillan Ancestry

Uncover your family's history with a DNA test. Learn where your Mcmillan ancestors came from and connect with relatives worldwide.

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Similar Surnames to Mcmillan

These surnames share similar popularity, spelling, or cultural background with Mcmillan.

Other Irish/Scottish Surnames

Explore more surnames with Irish/Scottish roots. There are 162,254 surnames in our database — here are some that share the same Irish/Scottish origin as Mcmillan.

Frequently Asked Questions About Mcmillan

The surname Mcmillan is of Irish/Scottish origin. Son of Mcmillan
The surname Mcmillan is ranked #860 in the United States with approximately 40,237 people bearing this name as of the 2010 US Census.
Son of Mcmillan. The name has Irish/Scottish roots and has been present in the United States for generations.
According to US Census data, the Mcmillan surname is distributed as: 68.0% White, 25.6% Black. This reflects the diverse heritage of Americans with this name.
To trace your Mcmillan ancestry, consider using DNA testing services like Ancestry.com, 23andMe, or MyHeritage. These services can connect you with relatives and reveal your ethnic heritage and migration patterns.

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