Lewellyn
girl nameLewellyn entered the US charts in 1917, peaked at #3503 in 1940, is rarely given today — a rare gem few children share.
Popularity 1917–2025
—
rank today
#3503
peak (1940)
0
babies in 2025
rare
a rare gem few children share
Rank by decade
| Decade | Average rank |
|---|---|
| 1910s | #4594 |
| 1920s | #4570 |
| 1930s | #4096 |
| 1940s | #3503 |
Living bearers
Fewer than a hundred people named Lewellyn are estimated to be alive in the US today — a true one-of-a-kind name.
The typical Lewellyn alive today was born around 1934, making them about 91 years old.
Estimated from official SSA birth records and life tables.
Names similar in popularity
Frequently asked questions
- How popular is the name Lewellyn in 2025?
- Lewellyn is rarely given in the US today — it does not rank in the top 2000 girl names.
- When was the name Lewellyn most popular?
- Lewellyn peaked in 1940, reaching #3503 among US girl names.
- Will my child share the name Lewellyn with classmates?
- Lewellyn will almost certainly be the only one in school.
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