Vidalia sits next to 4 phonetic neighbors — Cordelia, Amelia, and Natalia are the closest matches by sound. Most share Vidalia's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"life"
"dweller near the ash tree grove"
"bright, radiant, shining"
"free woman"
"halo of moonlight"
"set apart, sanctified"
"grace + belonging to God"
"slender, narrow"
"woman from Magdala, tower"
"fairy, enchanted being"
"she who must be loved"
"gracious one of the meadow"
"diminutive of Cornelia (horn, strength)"
"gentle horse"
"dreamy, ethereal"
"smooth, precious, white"
"peaceful sky"
"personal magnetism, compelling charm"
"sky, heaven"
"elegance, goodwill"
"crown, wreath, garland"
Similar sound: These names share phonetic patterns with Vidalia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Spanish/Latin origins, giving them the same cultural heritage as Vidalia.
Rhythm: Vidalia is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.