How Many People Are Named Llewelyn?
people named Llewelyn are alive in the United States today (estimate)
About 1 in 2,357,136 people in the US has this name
Based on 188 babies named Llewelyn in Social Security records from 1916 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
24 births
Trend
Stable (last 10 years)
📖 Name Origin & Meaning
Meaning:
Variant of LLYWELYN influenced by the Welsh word llew "lion".
Source of the meaning, origin, pronunciation and related names: Behind the Name.
⚧ Gender Distribution
Of the babies given the name Llewelyn, 6.8% were girls and 93.2% were boys.
👥 Age Distribution
The average person named Llewelyn alive today is about 17 years old, and 76% are under 30. Half of them were between 1 and 10 in 2025.
📈 Popularity Over Time
Llewelyn first appears in the records in 1916 and was given most often in 2024, to 24 babies. In 2025, 17 babies got the name.
Babies given the name each year, 1916 to 2025
🏆 Rank History
Llewelyn has never been one of the 100 most popular boys' names. Its best rank was #3,071, in 1916. In 2025 it ranked #5,514.
| Boys | |
|---|---|
| Rank in 2025 | #5,514 |
| Best rank | #3,071 (1916) |
| Years in the top 100 | None |
| Rank in its biggest decade | #6,265 in the 2020s |
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