Llewellyn
2 countries#5608 in United States, 2025Popularity across 2 countries
Each line is scaled to its own peak, so you can compare when Llewellyn was in fashion in each country, whatever the population size.
Country by country
🇺🇸 United States
3,755 births recorded 1880–2025 · currently #5608 · peaked in 1918 with 79 births
Most common in: Pennsylvania, New York, Maine, Michigan, Wisconsin
Source: Social Security Administration, official birth-registration data
🏴🏴 England & Wales
231 births recorded 1996–2021 · currently #2493 · peaked in 2004 with 17 births
Source: Office for National Statistics, official birth-registration data
🇬🇧 United Kingdom
231 births recorded 1996–2021 · peaked in 2004 with 17 births (England & Wales + Scotland + Northern Ireland combined)
Source: ONS, National Records of Scotland & NISRA (combined), official birth-registration data
United States rank history
Llewellyn’s rank among boys’ names, most recent 20 years on record.
| Year | Rank | vs. prior yr |
|---|---|---|
| 2004 | #11356 | — |
| 2005 | #11472 | ↓116 |
| 2006 | #12055 | ↓583 |
| 2008 | #12553 | ↓498 |
| 2010 | #7087 | ↑5466 |
| 2011 | #8767 | ↓1680 |
| 2012 | #7559 | ↑1208 |
| 2013 | #12136 | ↓4577 |
| 2014 | #9642 | ↑2494 |
| 2015 | #8744 | ↑898 |
| 2016 | #9664 | ↓920 |
| 2017 | #7546 | ↑2118 |
| 2018 | #9670 | ↓2124 |
| 2019 | #8889 | ↑781 |
| 2020 | #6296 | ↑2593 |
| 2021 | #6335 | ↓39 |
| 2022 | #9823 | ↓3488 |
| 2023 | #7738 | ↑2085 |
| 2024 | #6469 | ↑1269 |
| 2025 | #5608 | ↑861 |
Frequently asked questions about Llewellyn
Is Llewellyn a popular name?
Yes — Llewellyn currently ranks #5608 among boys’ names in United States as of 2025, based on official birth records.
Is Llewellyn more common for boys or girls?
Llewellyn is recorded predominantly as a boys’ name in official United States birth data.
When was Llewellyn most popular?
Llewellyn peaked in 1918 in United States, with 79 recorded births that year.
Is Llewellyn rising or falling in popularity?
In United States, Llewellyn’s popularity is falling — its rank has slipped from #640 in 1880 to #5608 in 2025.
How many babies have been named Llewellyn?
At least 3,986 babies have been recorded with the name Llewellyn across official birth statistics in 2 countries.
Is Llewellyn popular in more than one country?
Yes — Llewellyn appears in official birth records in 2 countries: United States, England & Wales.
What names are similar in popularity to Llewellyn?
Based on real 2025 ranking data in United States, names ranked closest to Llewellyn include Lexington, Linkoln.
Similar names right now
Ranked directly next to Llewellyn in United States, 2025 — a real popularity match, not a subjective list.