Thalia sits next to 4 phonetic neighbors — Talia, Dahlia, and Natalia are the closest matches by sound. Most share Thalia's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"festivity, abundance"
"bright, shining one"
"of the sun"
"star of the sea (via Mary)"
"from the city of Troy (Ilium)"
"born again"
"holy, blessed"
"of the Tatius family"
"graceful, beautiful"
"marshy area near a stream"
"glory, fame"
"nourishing, kind"
"God is my judge"
"noble natured"
"skylark"
"child of the fair one"
"bright star in Canis Major"
"warrior, raider"
"wise protector"
"oak tree clearing"
"purpose, intention"
Similar sound: These names share phonetic patterns with Thalia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Thalia.
Rhythm: Thalia is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.