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"
"lady, woman of rank"
"descendant of Conn"
"diminutive of Eve or Evelyn"
"noble natured"
"treeless plain, open grassland"
"wide, broad"
"alive, lively"
"praise the Lord, variant of Hallelujah"
"life"
"crown, garland"
"winner, one who attains"
"source of joy"
"seller of scarlet cloth"
"rose festival"
"life, living"
"son of the earth"
"olive tree"
"ancient Hawaiian surfboard style"
"oak 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.