Hailey sits next to 3 phonetic neighbors — Hayley, Haley, and Haleigh are the closest matches by sound. Most share Hailey's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"hay meadow, hay clearing"
"bright, radiant, shining"
"God is my light"
"storm demon, wind spirit"
"fidelity, friendship (symbolic)"
"bright, shining light"
"immortal (folk etymology)"
"lioness of God"
"divine wisdom"
"Christmas, born at Christmas"
"heroine of God"
"ewe by the lake, graceful"
"flower name"
"royal fortress meadow"
"goddess, oak tree"
"young ceremonial attendant"
"resurrection"
"rebellion"
"one who works the land"
"ugly head (from ceann donn)"
"olive tree"
Similar sound: These names share phonetic patterns with Hailey — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English place name (haeg + leah) origins, giving them the same cultural heritage as Hailey.
Rhythm: Hailey is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.