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"
"quintessence, the truest form of something"
"brave, hardy"
"protector of humanity"
"shining upon men"
"beloved, little Mary"
"hillside lake, brae near the loch"
"little wren bird"
"pearl"
"royal daughter, daughter of a king"
"bearer of good news"
"freedom (when short for Liberty)"
"dark, black"
"pet form of Mary"
"youthful, downy-bearded"
"bright fame"
"descendant of Cathasach"
"flickering meadow"
"strength, valor"
"stately, admirable"
"dream, vision"
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.