How Many People Are Named Jilliann?
people named Jilliann are alive in the United States today (estimate)
About 1 in 1,029,472 people in the US has this name
Based on 338 babies named Jilliann in Social Security records from 1977 to 2016, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
17 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
All of the babies given the name Jilliann in the records were girls.
👥 Age Distribution
The average person named Jilliann alive today is about 28 years old, and 56% are under 30. Half of them were between 20 and 37 in 2025.
📈 Popularity Over Time
Jilliann first appears in the records in 1977 and was given most often in 2000, to 17 babies. The last year it was given to at least 5 babies of one sex was 2016.
Babies given the name each year, 1977 to 2016
🏆 Rank History
Jilliann has never been one of the 100 most popular girls' names. Its best rank was #5,171, in 1985.
| Girls | |
|---|---|
| Rank in 2025 | Not ranked |
| Best rank | #5,171 (1985) |
| Years in the top 100 | None |
| Rank in its biggest decade | #9,367 in the 2000s |
📍 State-Wise Distribution
People named Jilliann alive today, by the state where they were born (estimate; state records start in 1910).
More people named Jilliann were born in California than in any other state: about 5 of those alive today.
Look up another name
⊙ We don't save the names you search.