Boy’s name · Italian, American English

Demario

How to say it: duh-MAH-ree-oh · /dəˈmɑrioʊ/

Modern coinage combining prefix 'De-' with Mario (Italian/Latin, from Mars, god of war).

Demario was the 2,895th most popular boys’ name in the United States in 2025, given to 30 babies (Social Security Administration). Its busiest decade was the 1980s, its births are down about 44% in ten years, and it is projected to slip to #4,149 by 2030.

Updated · SSA 2025 data, published May 2026 · How we compute these figures

#2,895for boys in 2025
1 in 110,511US babies
30born in 2025
#4,149projected for 2030
1980sits peak decade
under 1 in 200chance a classmate shares it

Key facts

Key facts about Demario
Rank among boys’ names, 2025#2,895
Babies born in 202530
Share of births1 in 110,511
Peak decade1980s
Change over 10 years−44%
Projected rank for 2030 (estimate)#4,149

Sources: Social Security Administration (SSA). How we compute these figures.

Its life, decade by decade

Demario peaked in the 1980s and is less common today.

1900195020002020–25
Peak: 119 per million births, 1980s.

What goes with it

Nicknames

  • Mario
  • Dem

Honouring a Demario in the family

In the classroom

In a class of 25 children born in 2025, the chance that another child is called Demario is about under 1 in 200.

Around the world

This spelling is used in English, Italian.

Famous people named Demario

From Wikidata and Wikipedia

Keep exploring

Find names you'll both love, starting with Demario

The one-minute style quiz.

Take the quiz

Or see the Vowel app →