Lavinia sits next to 3 phonetic neighbors — Olivia, Livia, and Elvira are the closest matches by sound. Most share Lavinia's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"of the Latins"
"courageous, spirited (from Irish Raghallach)"
"noble, nobility"
"alert, watchful in battle"
"child of light"
"sea of bitterness plus grace"
"God is gracious"
"sea of grace, beloved grace"
"bright, radiant (from Slavic root)"
"joy, happiness, joyful"
"bailiff, law officer"
"sublime, elevated"
"sea and sky (poetic)"
"fair, white, bright"
"princess, noble one"
"bright light, torch"
"grace, the gracious one"
"God will increase"
"hyacinth (flower)"
"storm"
"fair one from the meadow"
Similar sound: These names share phonetic patterns with Lavinia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Lavinia.
Rhythm: Lavinia is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.