Bayley sits next to 3 phonetic neighbors — Bailey, Hailey, and Kaylee are the closest matches by sound. Most share Bayley's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"castle wall, fortification"
"modern invented name"
"diminutive of Cornelia (horn, strength)"
"creative feminine form, unique identity"
"two handfuls"
"flower"
"magnificent, majestic"
"beam of light"
"unfortunate, unhappy"
"divine, of Zeus"
"little dark-haired one"
"grace, divine favor"
"of the sea"
"beloved sky"
"free woman, petite"
"lake, pool"
"shrewd, clever, knowledgeable"
"perfect knowledge"
"Christian woman"
"lake (from Welsh -lyn)"
Similar sound: These names share phonetic patterns with Bayley — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French origins, giving them the same cultural heritage as Bayley.
Rhythm: Bayley is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.