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How Many People Are Named Sebastian?
Estimated people named Sebastian living in the U.S. today
203,481
Gender distribution
100% male · 0% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 209,783
- Peak year: 2016 (10,324 births)
- Estimated living today: 203,481
Sebastian by age group — who carries the name today?
Sebastian popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Sebastian
Sebastian has been recorded by the Social Security Administration since the 19th century dataset began. In total, 209,783 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 203,481 bearers are still living — roughly 1 in 1,680 Americans. The name's strongest decade shapes how old most Sebastians 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 Sebastian in the US?
An estimated 203,481 people named Sebastian are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Sebastian uncommon — about 1 in 1,680 Americans.
Is Sebastian a boy or girl name?
In SSA records, Sebastian is 100% male and 0% female, so it is predominantly a male name.
When was Sebastian most popular?
Sebastian peaked in 2016, when 10,324 babies were given the name. Its current trend is rising compared with the previous decade.
How rare is the name Sebastian?
Sebastian ranks #265 of 104,819 first names recorded by the SSA, with a rarity score of 38 out of 100 (higher means rarer).