Maelynn sits next to 3 phonetic neighbors — Maelin, Kaylin, and Aylin are the closest matches by sound. Most share Maelynn's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"bright lake, shining pool"
"queen"
"elevated place, great one"
"life"
"little star (possible etymology)"
"boomerang, curved throwing stick"
"little angel"
"ruler of the elves"
"water nymph, spring"
"oak tree, oak grove"
"something precious and valuable"
"hollow, cauldron"
"youthful goddess, keeper of immortality"
"protected by God"
"famous warrior (heil + wīg)"
"hare's meadow, hare's clearing"
"gift of God"
"one who carries goods"
"from Quincy, France"
"sunlight, moon (alternate etymology)"
"divine, god-like"
Similar sound: These names share phonetic patterns with Maelynn — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Celtic/Welsh origins, giving them the same cultural heritage as Maelynn.
Rhythm: Maelynn is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.