Marley sits next to 3 phonetic neighbors — Harley, Charley, and Farley are the closest matches by sound. Most share Marley's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"boundary wood"
"farm steward, granary manager"
"bold counsel, brave advisor"
"crooked nose (Cameron root)"
"messenger of God"
"mill town, settlement by the mill"
"one who works with books"
"light, illumination"
"small sheltered coastal bay"
"awareness, understanding, learning"
"modern invented name, possibly 'sincere air' or 'great river'"
"from the mouth of the Roe river"
"victorious protection (Sigmund root)"
"cross"
"divine, god"
"traveler of peace"
"olive tree"
"sacred song, hymn"
"God has healed"
"territory of Owen"
"he who causes distress"
Similar sound: These names share phonetic patterns with Marley — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Marley.
Rhythm: Marley is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.