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How Many People Are Named Jillian?
Estimated people named Jillian living in the U.S. today
80,543
Gender distribution
0% male · 100% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 83,245
- Peak year: 1982 (3,070 births)
- Estimated living today: 80,543
Jillian by age group — who carries the name today?
Jillian popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Jillian
Jillian has been recorded by the Social Security Administration since the 19th century dataset began. In total, 83,245 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 80,543 bearers are still living — roughly 1 in 4,244 Americans. The name's strongest decade shapes how old most Jillians 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 Jillian in the US?
An estimated 80,543 people named Jillian are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Jillian rare — about 1 in 4,244 Americans.
Is Jillian a boy or girl name?
In SSA records, Jillian is 0% male and 100% female, so it is predominantly a female name.
When was Jillian most popular?
Jillian peaked in 1982, when 3,070 babies were given the name. Its current trend is declining compared with the previous decade.
How rare is the name Jillian?
Jillian ranks #634 of 104,819 first names recorded by the SSA, with a rarity score of 43 out of 100 (higher means rarer).