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How Many People Are Named Lucius?
Estimated people named Lucius living in the U.S. today
5,401
Gender distribution
100% male · 0% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 9,918
- Peak year: 2022 (161 births)
- Estimated living today: 5,401
Lucius by age group — who carries the name today?
Lucius popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Lucius
Lucius has been recorded by the Social Security Administration since the 19th century dataset began. In total, 9,918 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 5,401 bearers are still living — roughly 1 in 63,285 Americans. The name's strongest decade shapes how old most Luciuss you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).
Frequently asked questions
How many people are named Lucius in the US?
An estimated 5,401 people named Lucius are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Lucius very rare — about 1 in 63,285 Americans.
Is Lucius a boy or girl name?
In SSA records, Lucius is 100% male and 0% female, so it is predominantly a male name.
When was Lucius most popular?
Lucius peaked in 2022, when 161 babies were given the name. Its current trend is rising compared with the previous decade.
How rare is the name Lucius?
Lucius ranks #3,468 of 104,819 first names recorded by the SSA, with a rarity score of 56 out of 100 (higher means rarer).