MallowbyNames

Demarcus

dee-MAR-kus · Combination of the prefix De- with the name Marcus, meaning 'of Mars' or 'warlike'.

2025 rank (boys)
#2,167
Babies named in 2025
66
Peak popularity
1994
2025 frequency
1 in 25,880 boys
Usually for
Boys
Trend
Declining since 1991

Declining since 1991, #2,167 for boys today.

Popularity of Demarcus since 1956

Babies named Demarcus per year in U.S. Social Security records.

1703415111960198020002020Most births 1991Boys
Data table (by decade)
DecadeBoys
1950s5
1960s37
1970s909
1980s3,217
1990s4,252
2000s2,717
2010s1,943
2020s538

Meaning & origin

Demarcus is a distinctively American name that emerged in the mid-20th century, first recorded in 1956. Its popularity peaked in 1994, reflecting its strong association with African-American naming creativity of that era. The name is formed by adding the prefix De- to Marcus, following a pattern similar to DeShawn or DeAndre. Its use has been declining since 1991, but it remains most common in Southern states, particularly Mississippi, Louisiana, and Tennessee. Though its modern construction gives it a contemporary feel, the Marcus root connects it to a tradition stretching back to ancient Rome.

Demarcus is a modern coinage formed by adding the prefix De- to the name Marcus, a common pattern in African-American naming traditions. Marcus itself derives from Latin Marcus, a Roman praenomen thought to be related to Mars, the Roman god of war. This construction emerged in the United States mid-20th century as part of a broader trend of creative, prefixed names.

Where Demarcus is most popular

Births per 100,000 boys by state. Press play or drag the slider to watch it move across the decades. The lightest shade means too few recorded births.

2020s
Fewermore per 100k boystoo few births

Nicknames & variants

Nicknames: De, Marc, Marcus

Variants: DeMarcus, Demarco, Damarcus

Sibling names for Demarcus

Names that share Demarcus's style, for a brother or sister.

Names like Demarcus

Names whose popularity has moved with Demarcus's over the last 50 years.

A parent animal hugging its little one, the personalized name page

D is for Demarcus, our favorite little boy.

D is for Demarcus…”

In a Mallowby alphabet book, Demarcus's letter becomes Demarcus's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Demarcus's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Demarcus mean?
Demarcus is a modern combination of the prefix De- with the name Marcus, which means 'of Mars' or 'warlike'.
How popular is Demarcus currently?
As of 2025, Demarcus ranks 2167 in the United States, with approximately 1 in 25,880 boys given the name.
Is Demarcus a boy's name?
Yes, Demarcus is predominantly a boy's name.