How Many People Are Named Dillian?
people named Dillian are alive in the United States today (estimate)
About 1 in 573,464 people in the US has this name
Based on 610 babies named Dillian in Social Security records from 1989 to 2021, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
41 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
All of the babies given the name Dillian in the records were boys.
👥 Age Distribution
The average person named Dillian alive today is about 24 years old, and 72% are under 30. Half of them were between 19 and 30 in 2025.
📈 Popularity Over Time
Dillian first appears in the records in 1989 and was given most often in 1992, to 41 babies. The last year it was given to at least 5 babies of one sex was 2021.
Babies given the name each year, 1989 to 2021
🏆 Rank History
Dillian has never been one of the 100 most popular boys' names. Its best rank was #1,956, in 1992.
| Boys | |
|---|---|
| Rank in 2025 | Not ranked |
| Best rank | #1,956 (1992) |
| Years in the top 100 | None |
| Rank in its biggest decade | #2,576 in the 1990s |
📍 State-Wise Distribution
People named Dillian alive today, by the state where they were born (estimate; state records start in 1910).
More people named Dillian were born in Ohio than in any other state: about 6 of those alive today.
Look up another name
⊙ We don't save the names you search.