Leshauna sits next to 3 phonetic neighbors — Shawna, Lashawna, and Leona are the closest matches by sound. Most share Leshauna's Irish via American coinage-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is gracious (via Shawna/Sean)"
"whimsical, capricious spirit; alive with personality"
"gourd"
"determined protector"
"Angel, fairy, heavenly being"
"lake, pool"
"little ruby; precious red gem"
"heather plant"
"Modern invention combining Sharon (plain, flat land) and Nika (vict..."
"the Way, the natural path of the universe"
"Manly, brave, strong; also child of the earth (African)"
"invented name combining Shon (God is gracious) and -tisha (joy, fro..."
Similar sound: These names share phonetic patterns with Leshauna — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish via American coinage origins, giving them the same cultural heritage as Leshauna.
Rhythm: Leshauna is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.