Jillian Girl

How popular is Jillian?

#1,261 girl name in 2025

177 baby girls were named Jillian in the US in 2025, making it the 1261st most popular girl name.

Compare with other names
81,830living people named Jillian (est.)
31median age of people named Jillian
83,424babies named Jillian since 1880
1 in 18,731US babies born in 2025

Jillian popularity over time

02,0004,000 18801900192019401960198020002020

Boys Girls

Rank in 2025#1,261 for girls (▼ 133 from 2024)
Babies in 2025177 girls
10-year trendFalling fast (-75% babies vs 2015)
Earlier ranks#440 in 2015, #957 in 2020
Peak year1982 (3,056 girls)
Highest rank#96 in 1982
First recorded1944
Boys vs girls (last 10 years)0% boys, 100% girls
Chance a classmate shares it0.1% in a class of 25 kids born in 2025

Where Jillian is most popular

Babies named Jillian per 1,000 girls born in each state, 2021 to 2025. Darker means more common.

  1. Indiana: 0.3 per 1,000 (43 girls)
  2. Missouri: 0.3 per 1,000 (34 girls)
  3. Massachusetts: 0.3 per 1,000 (34 girls)
  4. Ohio: 0.2 per 1,000 (59 girls)
  5. Virginia: 0.2 per 1,000 (42 girls)

Jillian by decade

DecadeBaby girlsBest rank
1940s37#2,636
1950s86#3,149
1960s333#1,236
1970s4,661#179
1980s25,446#96
1990s19,725#122
2000s22,822#120
2010s8,730#169
2020s1,357#957

Girl names about as popular as Jillian

Questions

Is Jillian a boy or girl name?
Jillian is mostly a girl name. Over the last 10 years, 100% of babies named Jillian were girls.
How popular is the name Jillian?
177 baby girls were named Jillian in the US in 2025, making it the 1261st most popular girl name.
When was Jillian most popular?
Jillian peaked in 1982, when 3,056 girls were given the name. Its highest rank was #96 in 1982.
How many people are named Jillian?
83,424 babies have been named Jillian in the US since 1880. We estimate about 81,830 of them are alive in 2026, with a median age of 31.
Where is Jillian most popular?
From 2021 to 2025, Jillian was most common in Indiana, at 0.3 of every 1,000 girls born there.

Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.