How Many People Are Named Decimus?
people named Decimus are alive in the United States today (estimate)
About 1 in 5,178,558 people in the US has this name
Based on 67 babies named Decimus in Social Security records from 2006 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Population Percentage
Of US population
Peak Year
8 births
Trend
Stable (last 10 years)
📖 Name Origin & Meaning
Meaning:
Roman praenomen, or given name, meaning "tenth" in Latin.
Source of the meaning, origin, pronunciation and related names: Behind the Name.
Related & Similar Names
⚧ Gender Distribution
All of the babies given the name Decimus in the records were boys.
👥 Age Distribution
The average person named Decimus alive today is about 11 years old, and 100% are under 30.
📈 Popularity Over Time
Decimus first appears in the records in 2006 and was given most often in 2006, to 8 babies. In 2025, 8 babies got the name.
Babies given the name each year, 2006 to 2025
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