Thelonious
2 countries#6803 in United States, 2025Popularity across 2 countries
Each line is scaled to its own peak, so you can compare when Thelonious was in fashion in each country, whatever the population size.
Country by country
🇺🇸 United States
467 births recorded 1960–2025 · currently #6803 · peaked in 2017 with 23 births
Most common in: California
Source: Social Security Administration, official birth-registration data
🏴🏴 England & Wales
31 births recorded 2002–2020 · peaked in 2014 with 5 births
Source: Office for National Statistics, official birth-registration data
🇬🇧 United Kingdom
31 births recorded 2002–2020 · peaked in 2014 with 5 births (England & Wales + Scotland + Northern Ireland combined)
Source: ONS, National Records of Scotland & NISRA (combined), official birth-registration data
United States rank history
Thelonious’s rank among boys’ names, most recent 20 years on record.
| Year | Rank | vs. prior yr |
|---|---|---|
| 2006 | #8732 | — |
| 2007 | #9788 | ↓1056 |
| 2008 | #9871 | ↓83 |
| 2009 | #5334 | ↑4537 |
| 2010 | #5741 | ↓407 |
| 2011 | #8079 | ↓2338 |
| 2012 | #5720 | ↑2359 |
| 2013 | #5171 | ↑549 |
| 2014 | #5485 | ↓314 |
| 2015 | #4545 | ↑940 |
| 2016 | #4776 | ↓231 |
| 2017 | #4331 | ↑445 |
| 2018 | #4739 | ↓408 |
| 2019 | #6104 | ↓1365 |
| 2020 | #5451 | ↑653 |
| 2021 | #4362 | ↑1089 |
| 2022 | #5445 | ↓1083 |
| 2023 | #6897 | ↓1452 |
| 2024 | #5659 | ↑1238 |
| 2025 | #6803 | ↓1144 |
Frequently asked questions about Thelonious
Is Thelonious a popular name?
Yes — Thelonious currently ranks #6803 among boys’ names in United States as of 2025, based on official birth records.
Is Thelonious more common for boys or girls?
Thelonious is recorded predominantly as a boys’ name in official United States birth data.
When was Thelonious most popular?
Thelonious peaked in 2017 in United States, with 23 recorded births that year.
Is Thelonious rising or falling in popularity?
In United States, Thelonious’s popularity is falling — its rank has slipped from #4038 in 1960 to #6803 in 2025.
How many babies have been named Thelonious?
At least 498 babies have been recorded with the name Thelonious across official birth statistics in 2 countries.
Is Thelonious popular in more than one country?
Yes — Thelonious appears in official birth records in 2 countries: United States, England & Wales.
What names are similar in popularity to Thelonious?
Based on real 2025 ranking data in United States, names ranked closest to Thelonious include Tayton, Tian.
Similar names right now
Ranked directly next to Thelonious in United States, 2025 — a real popularity match, not a subjective list.