How Many People Are Named Jillyn?
people named Jillyn are alive in the United States today (estimate)
About 1 in 2,149,590 people in the US has this name
Based on 171 babies named Jillyn in Social Security records from 1950 to 2002, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
10 births
Trend
Last year given
⚧ Gender Distribution
All of the babies given the name Jillyn in the records were girls.
👥 Age Distribution
The average person named Jillyn alive today is about 49 years old, and 79% are between 30 and 59. Half of them were between 40 and 56 in 2025.
📈 Popularity Over Time
Jillyn first appears in the records in 1950 and was given most often in 1976, to 10 babies. The last year it was given to at least 5 babies of one sex was 2002.
Babies given the name each year, 1950 to 2002
🏆 Rank History
Jillyn has never been one of the 100 most popular girls' names. Its best rank was #5,532, in 1961.
| Girls | |
|---|---|
| Rank in 2025 | Not ranked |
| Best rank | #5,532 (1961) |
| Years in the top 100 | None |
| Rank in its biggest decade | #7,699 in the 1970s |
📍 State-Wise Distribution
People named Jillyn alive today, by the state where they were born (estimate; state records start in 1910).
More people named Jillyn were born in Utah than in any other state: about 7 of those alive today.
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