Recent in Baby
When Baby Resists SolidsWhen Baby Resists SolidsBaby Biting TipsBaby Biting Tips5 Tips To Help Prevent Highchair Injuries5 Tips To Help Prevent Highchair InjuriesWhen Baby and Pet MeetWhen Baby and Pet MeetTreatments for ColicTreatments for ColicBaby Milestones – The First YearBaby Milestones – The First YearTips for Relieving Teething PainTips for Relieving Teething PainBenefits of Making Your Own Baby FoodBenefits of Making Your Own Baby Food

Home › Baby Names Directory › Decimus

Decimus

♂ Boy

Pronounced DES-ih-mus /ˈdɛs.ɪ.məs/Medium

Meaning: From the Latin Decimus, 'tenth' — a traditional Roman praenomen (first name), often given to a tenth child. A stately classical name.Low

In 30 seconds: A stately Roman name: Decimus means 'tenth' (said 'DES-ih-mus'). Classical and rare.
💕 Browse more names
Origin MediumLatin
MeaningFrom the Latin Decimus, 'tenth' — a traditional Roman praenomen (first name), often given to a tenth child. A stately classical name.
U.S. rank (2020)#12476 ↗ Rising
2020 U.S. births5 boys (0.00% of U.S. boys)
Peak year2006
Total births (all-time)≈ 59

Popularity in the U.S. · SSA data

peak 201820062020

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Decimus is a Roman praenomen from the Latin for 'tenth.' A dignified, classical name with a distinctly antique ring — rare in the U.S. (said 'DES-ih-mus').

In the U.S. it appears rarely. Rare, classical, and stately.

Did you know? Decimus is Latin for 'tenth' — a traditional Roman first name, sometimes given to a tenth child — a stately, classical pick with real antique weight (said 'DES-ih-mus').
Overall data confidence 50%
References — Decimus — Latin Decimus 'tenth'; Roman praenomen

Variations

DecimasDeciusDecimo

Nicknames

DecDeci

Famous Bearers

  • Famous bearers coming soon.

If you like Decimus…

Cassius— a like Roman name
Magnus— a like classical Latin name
Atticus— a like Latin -us name
Augustus— a like antique Roman name

Explore names like Decimus

By themelatinclassicalromanstately

All themes →All meanings →All origins →

Frequently Asked

What does the name Decimus mean?

Decimus is Latin for 'tenth,' a traditional Roman praenomen sometimes given to a tenth child.

How do you pronounce Decimus?

It's said DES-ih-mus /ˈdɛs.ɪ.məs/ — three syllables, stress on the first.

Is Decimus a boy or girl name?

Decimus is a boy's name.

How popular is Decimus?

Decimus is a rare name in the U.S.

💬 Ask Nia