Thelonious vs Alaster

Baby Name Comparison — 2026

Thelonious

Boy #5,754 Most Popular 4 Syllables

"lord, ruler"

Origin: Germanic/Latin

American English African American

✓ All Clear

Boy #5,903 Most Popular 3 Syllables

"defender of men, protector of mankind"

Origin: Greek via Scottish Gaelic

Scottish Irish English Celtic

✓ All Clear

Thelonious Rank #5,754

Alaster Rank #5,903

Thelonious is more popular, ranked #5754 vs #5903 for Alaster.

Is Thelonious or Alaster more popular?

Thelonious is more popular, ranked #5754 compared to Alaster at #5903 in the United States.

What do Thelonious and Alaster mean?

Thelonious means "lord, ruler" (Germanic/Latin origin). Alaster means "defender of men, protector of mankind" (Greek via Scottish Gaelic origin).

Are Thelonious and Alaster boy or girl names?

Thelonious is primarily a boy name. Alaster is primarily a boy name.