Molly sits next to 4 phonetic neighbors — Polly, Holly, and Dolly are the closest matches by sound. Most share Molly's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"star of the sea"
"princess"
"victorious people"
"heart"
"messenger of God; angel"
"from Halle, Germany"
"red king; red-haired ruler"
"life"
"of the night, night monster"
"to bind, ensnare"
"torch, the bright one"
"famous type"
"variant of Mary (beloved, bitter)"
"laurel tree"
"the fall season; harvest time"
"golden, the golden one"
"hazel tree"
"patron of musicians, derived from Latin caecus meaning blind"
"symbol of peace and wisdom"
"victory"
"stone of the flank"
Similar sound: These names share phonetic patterns with Molly — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew via Latin origins, giving them the same cultural heritage as Molly.
Rhythm: Molly is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.