Kayleigh sits next to 4 phonetic neighbors — Kaylee, Hailey, and Bailey are the closest matches by sound. Most share Kayleigh's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"slender, slim and fair"
"independent spirit"
"flower, blossom, radiance"
"woman from Mount Cynthus"
"gracious, full of grace"
"new star meadow"
"star, heavenly body"
"dark one (variant)"
"born under Jupiter's influence"
"little"
"lake (suffix)"
"elevated one, tower"
"luminous glow, energy field"
"son of the sea, great tide"
"the burning ones, highest angels"
"beautiful"
"free man, free woman"
"son of the fair warrior"
"protection, shelter"
"people of a different speech, alien speakers"
"with a web over her face"
Similar sound: These names share phonetic patterns with Kayleigh — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish Gaelic origins, giving them the same cultural heritage as Kayleigh.
Rhythm: Kayleigh is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.