9BabyNames Baby names with meanings & US popularity data Italiano

Llewelyn

Gender
Male
Meaning
Ruler
Origin
Celtic

Llewelyn Popularity Snapshot

Across the entire US Social Security Administration record (1880–2024), 160 baby boys have been named Llewelyn. The name peaked in 2024 with 23 US births that year (rank #4495). In 2024, ranked #4495 nationally.

Other Celtic-Origin Names Like Llewelyn

If you like Llewelyn's Celtic origin, consider these related names: Adair, Adsaluta, Aengus, Ahearn, Aife. Browse all Celtic names →

8-Letter Names Starting with L

Names with Llewelyn's exact length and starting letter: La Reina, La Verne, Lachesis, Lachlann, Ladislav.

Quick Facts About Llewelyn

569
Celtic baby names in our dictionary
364
Celtic male names
117
8-letter L-names in our dictionary
389
L-male names total
Not in registry
US SSA records — name appears fewer than 5 times in any year

Looking for names like Llewelyn?

A dedicated page with 60+ related names — spelling variants, rhymes, alliterations, same-origin matches, and shared meaning concepts — lives at its own URL so each kind of similarity gets a deeper treatment than fits here.

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Compare Llewelyn to Other Popular Names

Side-by-side popularity charts and crossover years for Llewelyn against today's most popular boys-name peers (top 8 by US births in the last 10 years of SSA records).

Compare to a different name →