Lewellyn
The Story of Lewellyn
As a girl name
Lewellyn first appeared in U.S. Social Security Administration records as a girl name in 1917, with 5 babies given the name that year. Its peak popularity came in 1940, when 7 Lewellyns were born — ranking #3,503 that year. As of 2026, Lewellyn ranks #3,503 for girls with 7 births, with steady use. In total, more than 33 Lewellyns have been born in the U.S. since records began in 1880, spanning the 1910s through the 2020s.
As a boy name
Lewellyn first appeared in U.S. Social Security Administration records as a boy name in 1912, with 6 babies given the name that year. Its peak popularity came in 1929, when 17 Lewellyns were born — ranking #1,848 that year. As of 2026, Lewellyn ranks #4,033 for boys with 5 births, with steady use. In total, more than 306 Lewellyns have been born in the U.S. since records began in 1880, spanning the 1910s through the 2020s.
Popularity Over Time
Popularity by State
Names that sound like Lewellyn
Phonetically similar names — useful when Lewellyn is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.
Source: Datamuse . Phonetic similarity ranking, not curated.
Frequently Asked Questions about Lewellyn
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About the name Lewellyn
Lewellyn is a unisex baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1912 and has accumulated 306 births in the dataset. Lewellyn's peak popularity came in 1929 when it ranked #1,848. Use the chart and map above to compare Lewellyn's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
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Data sources
- Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
- Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
- Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
- Predicted nationality distribution — Nationalize.io .
- Phonetically similar names — Datamuse .
Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.