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"
"other, foreign"
"grace, divine favor"
"son of the earth"
"Tate's homestead"
"feminine diminutive of Gabriel"
"gracious, merciful one"
"beautiful"
"time of change"
"princess, noblewoman"
"flute player, pipe player"
"immortal, divine"
"God is gracious"
"God is gracious"
"little darling, pretty one"
"sunbeam, radiant one"
"of gold, golden-haired"
"water"
"youthful, downy-bearded"
"from Latin papaver (poppy plant)"
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.