Paisley sits next to 5 phonetic neighbors — Hadley, Hartley, and Lesley are the closest matches by sound. Most share Paisley's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"place name: town in Scotland"
"living"
"God will add; God increases"
"great, noble (from botanist's surname)"
"merciful, gracious"
"star of the sea"
"grace, feminine beauty"
"symbol of peace and wisdom"
"other, foreign"
"hardworking; labor strength"
"epithet of Demeter, goddess of grain"
"dark-complexioned, of dark appearance"
"seller of scarlet cloth"
"young green plant, fresh growth of spring"
"flower named for botanist Anders Dahl"
"dark-haired, dark"
"worthy of love"
"gift of God"
"flute player, pipe player"
"pure"
Similar sound: These names share phonetic patterns with Paisley — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Scottish Gaelic origins, giving them the same cultural heritage as Paisley.
Rhythm: Paisley is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.