Thelonious
Thelonious is a given name. Notable people with the name include:Fred Thelonious Baker English guitarist Thelonious "Thelo" Aasgaard, English and Norwegian footballer Thelonious Bernard French actor Thelonious Martin or King Thelonious, American Hip Hop record producer Thelonious Monk (1917–82), American jazz pianist Thelonious (composition), written by Monk Thelonious Sphere Monk III, known as…
Meaning & Origin of Thelonious
What this name means, where it came from, and how it has traveled across cultures.
Thelonious is a given name. Notable people with the name include:Fred Thelonious Baker English guitarist Thelonious "Thelo" Aasgaard, English and Norwegian footballer Thelonious Bernard French actor Thelonious Martin or King Thelonious, American Hip Hop record producer Thelonious Monk (1917–82), American jazz pianist Thelonious (composition), written by Monk Thelonious Sphere Monk III, known as…
Source: Wikipedia (CC BY-SA 3.0). Read more →
The Story of Thelonious
Thelonious first appeared in U.S. Social Security Administration records as a baby boy name in 1960, with 5 babies given the name that year. Its peak popularity came in 2017, when 23 Theloniouss were born — ranking #4,330 that year. As of 2026, Thelonious ranks #6,259 for baby boys with 14 births, falling sharply (-23%). In total, more than 484 Theloniouss have been born in the U.S. since records began in 1880, spanning the 1960s through the 2020s.
Popularity Over Time
Popularity by State
Names that sound like Thelonious
Phonetically similar names — useful when Thelonious is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.
- Thelonius
- Felonious
- Polonius
- Mellowness
- Yellowness
- Bolognaise
- Thalamus
- Colonia
- Colonus
- Apollonius
- Kolonia
- Hollowness
Source: Datamuse . Phonetic similarity ranking, not curated.
Frequently Asked Questions about Thelonious
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About the name Thelonious
Thelonious is a boy baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1960 and has accumulated 484 births in the dataset. Thelonious's peak popularity came in 2017 when it ranked #2,616. Use the chart and map above to compare Thelonious's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 2017 →
- Names of the 2010s →
- Names starting with "T" →
- Browse all boy names →
- Top names of 2026 →
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.