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Look at the data

Every number here comes directly from birth records. No estimates, no averages — just the counts.

Current rank (2025)#6803
Babies named Thelonious in 202512
Total recorded467
Peak year2017 (23 babies)
Highest rank ever#2770
Years in records1960–2025 (42 years of data)
Change over last 5 years↓ 1215 spots

Frequently asked about Thelonious

What does the name Thelonious mean?
Thelonious means “Contemporary name” from Modern American roots.
What is the origin of the name Thelonious?
Thelonious has Modern American origin. The traditional meaning is “Contemporary name”.
How popular is Thelonious?
Thelonious ranked #6803 in 2025 — given to 12 babies that year.
When was Thelonious most popular?
Thelonious peaked in 2017 with 23 babies registered that year.
Is Thelonious a boy or girl name?
Thelonious is predominantly a boys' name — over 90% of Theloniouss in registered births are male.
Is the name Thelonious rising or falling in popularity?
Thelonious has fallen 1215 spots in the rankings over the last 5 years — from #5588 in 2020 to #6803 in 2025.
How long has Thelonious been recorded?
Thelonious appears in birth records across 42 years — from 1960 through 2025.

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