Marly sits next to 4 phonetic neighbors — Marley, Marlowe, and Marlee are the closest matches by sound. Most share Marly's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lake clearing"
"bright, shining light, torch"
"of noble kind"
"poetry, motto"
"Ann's meadow"
"oak tree (Hebrew) and halo of moonlight (Turkish)"
"heaven (spelled backward)"
"God is salvation"
"royal valley"
"grey land, rocky ground"
"bitter grace"
"ornament of God, God has adorned"
"gracious, mild"
"enthusiasm, ardor"
"Geirr's island, spear island"
"very holy (from Welsh Arianrhod variant)"
"my God, elevated, ascended"
"holy, devoted (via Saint John Vianney)"
"jasmine flower (Persian origin)"
"good race, noble kind"
Similar sound: These names share phonetic patterns with Marly — 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 Marly.
Rhythm: Marly is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.