Kasey sits next to 3 phonetic neighbors — Casey, Kacie, and Lacey are the closest matches by sound. Most share Kasey's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"brave in battle"
"physician, healer"
"leader, lord"
"genuine, bold"
"from the isle"
"Caesar (imperial title)"
"strife"
"eagle"
"God is gracious (John root)"
"gift"
"God has given"
"little fire, fiery one"
"high guardian, high watchman"
"brave in battle"
"heel, sharp point"
"modern invented name, possibly 'sincere air' or 'great river'"
"tournament fighter"
"cross"
"helpful one"
"free one"
"where the sun sets"
Similar sound: These names share phonetic patterns with Kasey — 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 Kasey.
Rhythm: Kasey is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.