ESC Name Rank Total Searching... No names found Try searching for: Emma, Liam, Olivia, Noah... 👦As Boy Name 1880 First Year 2026 Last Year 1916 Peak Year #576 Peak Rank 3K Total Count 139 Years Active 👧As Girl Name 1906 First Year 2024 Last Year 1924 Peak Year #2212 Peak Rank 330 Total Count 44 Years Active Advertisement 🌍 ## Meaning & Origin of Llewellyn What this name means, where it came from, and how it has traveled across cultures. Llywelyn is a Welsh personal name, which has also become a family name most commonly spelt Llewellyn. The name has many variations and derivations, mainly as a result of the difficulty for non-Welsh speakers of representing the sound of the initial double ll. Source: [Wikipedia ](https://en.wikipedia.org/wiki/Llywelyn%5F%28name%29) (CC BY-SA 3.0). [Read more → ](https://en.wikipedia.org/wiki/Llywelyn%5F%28name%29) ### Cultural Origins (via Behind the Name) * Welsh 📜Etymology The name evolved from the Common Brittonic name Lugubelinos , which was a compound of two names for Celtic deities . The first, Lugus , is also the source of the first element in the names Llywarch and Lliwelydd , and, as an independent name, evolved into Welsh Lleu . The second element, Belenus , evolved as an independent name into Welsh Belyn . 🏛️Origin & history Llywelyn the Great 's arms became associated with the name for later generations. The arms are described as: Blazoned Quarterly or and gules , four lions passant guardant two and two counterchanged langued and armed Azure . The name Llywelyn became popular following the successes of Llywelyn the Great (r. 1195–1240), but was largely absent among Welsh princes prior to him. Although Llywelyn was the most common form of the name in the medieval period, variant spellings started emerging even in the early Middle Ages, in particular Llewelyn and Llewellyn , spellings that gave rise to a folk belie [![Wikipedia thumbnail for Llewellyn](https://upload.wikimedia.org/wikipedia/commons/1/1f/Llywelyn_the_Great.JPG?utm_source=en.wikipedia.org&utm_campaign=api&utm_content=thumbnail_unscaled)](https://en.wikipedia.org/wiki/Llywelyn%5F%28name%29) 📖 ## The Story of Llewellyn ### As a girl name American parents first put Llewellyn on the record books as a girl name in 1906, with 7 registered babies. Its peak popularity came in 1924, when 17 Llewellyns were born — ranking #2,212 that year. The 1930s were its strongest decade, accounting for roughly 22% of all recorded Llewellyns. Its most recent appearance in the national data came in 2024 (6 births); the name has since faded from the published rankings. In total, more than 330 Llewellyns have been born in the U.S. since records began in 1880, spanning the 1900s through the 2020s. ### As a boy name American parents first put Llewellyn on the record books as a boy name in 1880, with 9 registered babies. Its peak popularity came in 1916, when 69 Llewellyns were born — ranking #724 that year. In the latest 2026 data it stands at #6,902 among boy names with 11 births, holding steady (+2%). In total, more than 3K Llewellyns have been born in the U.S. since records began in 1880, spanning the 1880s through the 2020s. ## Popularity Over Time Girls Boys ## Popularity by State 👧 Girls 👦 Boys ME WA MT ND MN WI MI NY VT NH MA OR ID SD IA IL IN OH PA NJ CT RI CA NV WY NE MO KY WV VA MD DE DC UT CO KS AR TN NC SC AK AZ NM OK LA MS AL GA HI TX FL Top 10 11-50 51-100 101-500 500+ No data 🔗 ## Variants & Related Forms of Llewellyn Foreign forms, alternate spellings, and nicknames that share roots with Llewellyn. Linked entries have a profile on Peek a Name. * Leolin * Llew * [Llewelyn](/llewelyn) * Llywellyn * Llywelyn 🎶 ## Names that sound like Llewellyn Phonetically similar names — useful when Llewellyn is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name. * [Lewellyn](/lewellyn) * [Llewelyn](/llewelyn) * Lewellen * Lewallen * [Luella](/luella) * Lilin * Flewellen * [Laughlin](/laughlin) * [Locklin](/locklin) * Flewelling * Lalin * Luling Source: [Datamuse ](https://www.datamuse.com/api/). Phonetic similarity ranking, not curated. ❓ ## Frequently Asked Questions about Llewellyn What does the name Llewellyn mean? Llywelyn is a Welsh personal name, which has also become a family name most commonly spelt Llewellyn. The name has many variations and derivations, mainly as a result of the difficulty for non-Welsh speakers of representing the sound of the initial double ll. What is the origin of the name Llewellyn? Llewellyn has roots in the following cultural and linguistic traditions: Welsh. How popular is Llewellyn in 2026? In 2026, Llewellyn ranks #6,902 among boys' names in the U.S., with 11 babies given the name that year. When was Llewellyn most popular? Llewellyn reached its peak popularity in 1916, ranking #576 that year with 69 babies given the name. In which U.S. states is Llewellyn most popular? Llewellyn has historically been most popular in Hawaii, Maine, Wisconsin. Rankings vary year to year, but these states show the strongest concentration of births named Llewellyn. Is Llewellyn a unisex name? Yes — Llewellyn is used for both girls and boys in U.S. records, with about 9% of Llewellyns assigned female and 91% assigned male historically. What names go well with Llewellyn? Names that share a similar style or popularity range with Llewellyn include Bentlee, Wally, Lisa. These pairings are based on rank proximity and naming era in U.S. data. What are nicknames or variants of Llewellyn? Common variants and related forms of Llewellyn include Leolin, Llew, Llewelyn, Llywellyn, Llywelyn. These cover foreign-language equivalents, alternate spellings, and short forms. ## Similar Names ### 👦 Similar Boy Names [👦BentleePeak #576](/bentlee)[👦WallyPeak #575](/wally)[👦LisaPeak #575](/lisa)[👦KyreePeak #577](/kyree) ### 👧 Similar Girl Names [👧CordellaPeak #2212](/cordella)[👧MiyekoPeak #2212](/miyeko)[👧FrancoisePeak #2212](/francoise)[👧AvonnePeak #2212](/avonne) Advertisement ## About the name Llewellyn Llewellyn is a unisex baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1880 and has accumulated 3K births in the dataset. Llewellyn's peak popularity came in 1916 when it ranked #576\. Use the chart and map above to compare Llewellyn's trajectory across years and U.S. states, or browse the related names section to discover similar choices. ### Continue exploring * [ Top names of 1916 → ](/year/1916) * [ Names of the 1910s → ](/decade/1910s) * [ Names starting with "L" → ](/letter/l) * [ Browse all boy names → ](/names/boys) * [ Top names of 2026 → ](/year/2026) * [ Browse unisex names → ](/names/unisex) Data sources * Birth statistics (counts, ranks, years 1880–2026) — U.S. [Social Security Administration ](https://www.ssa.gov/oact/babynames/). 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 ](https://www.behindthename.com/) (used under their public API terms). * Meaning prose and editorial summary — [Wikipedia ](https://en.wikipedia.org/) article extracts, licensed under [CC BY-SA 3.0 ](https://creativecommons.org/licenses/by-sa/3.0/). * Predicted nationality distribution — [Nationalize.io ](https://nationalize.io/). * Phonetically similar names — [Datamuse ](https://www.datamuse.com/api/). 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. Advertisement