Lesly sits next to 4 phonetic neighbors — Leslie, Lesley, and Lindsey are the closest matches by sound. Most share Lesly's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"garden of holly"
"my God is Yahweh, the Lord is my God"
"beam of light (modern association)"
"pearl"
"spring goddess (Persephone's maiden name)"
"mortal princess loved by Zeus (mythological)"
"sword, blade"
"grace, God has favored me"
"hillside meadow"
"from Quincy, France"
"home ruler, estate ruler"
"dark, black"
"light, bright, shining torch"
"goodness, beneficence"
"night angel"
"blessed"
"ash tree meadow"
"moon goddess (Selene)"
"most holy"
"reference to Our Lady of Ainhoa (the Virgin Mary)"
"chosen by Yahweh"
Similar sound: These names share phonetic patterns with Lesly — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Scottish Gaelic origins, giving them the same cultural heritage as Lesly.
Rhythm: Lesly is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.