Meghan sits next to 4 phonetic neighbors — Megan, Reagan, and Morgan are the closest matches by sound. Most share Meghan's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"pearl"
"my light"
"from Roslin (Scottish place name)"
"other Aenor, foreign honor"
"modern invented name"
"supplanter, one who follows at the heel"
"pure, chaste"
"water"
"light, bright, shining"
"endurance, patient suffering"
"bright fame"
"other, foreign"
"red king"
"a bright flowering plant, named after botanist Johann Gottfried Zinn"
"night rain (poetic)"
"modern blend name"
"beloved, loved one"
"unconquerable, invincible"
"star of the sea"
"overlord, immortal one"
"boar meadow, wild boar clearing"
Similar sound: These names share phonetic patterns with Meghan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek via Welsh origins, giving them the same cultural heritage as Meghan.
Rhythm: Meghan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.