Marelyn sits next to 4 phonetic neighbors — Marilyn, Marelyn, and Carolyn are the closest matches by sound. Most share Marelyn's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"beloved lady, star of the sea"
"heavenly flowers, heavenly garland"
"moon goddess"
"clearing by the water"
"she who intoxicates, intoxicating one"
"warlike, martial"
"heavenly cloud, cloud of heaven"
"ray of light and grace"
"lyrical, relating to music and song"
"joy, happiness"
"descendant of the helpful"
"son of Maude (alternative etymology)"
"pure, clean"
"whole, universal"
"narrow strait, channel"
"American coinage blending Da- prefix with Aisha"
"beautiful as a dove, pure"
"gift of God, grace"
"dark farm"
"fair, white, blessed"
"a voyage, a day's travel, life's path"
Similar sound: These names share phonetic patterns with Marelyn — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew/Welsh origins, giving them the same cultural heritage as Marelyn.
Rhythm: Marelyn is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.