How Many People Are Named Rhiannan?
people named Rhiannan are alive in the United States today (estimate)
About 1 in 2,034,433 people in the US has this name
Based on 171 babies named Rhiannan in Social Security records from 1978 to 2009, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
14 births
Trend
Last year given
⚧ Gender Distribution
All of the babies given the name Rhiannan in the records were girls.
👥 Age Distribution
The average person named Rhiannan alive today is about 30 years old, and 52% are under 30. Half of them were between 23 and 35 in 2025.
📈 Popularity Over Time
Rhiannan first appears in the records in 1978 and was given most often in 1998, to 14 babies. The last year it was given to at least 5 babies of one sex was 2009.
Babies given the name each year, 1978 to 2009
🏆 Rank History
Rhiannan has never been one of the 100 most popular girls' names. Its best rank was #7,006, in 1998.
| Girls | |
|---|---|
| Rank in 2025 | Not ranked |
| Best rank | #7,006 (1998) |
| Years in the top 100 | None |
| Rank in its biggest decade | #10,350 in the 1990s |
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