Mccall sits next to 3 phonetic neighbors — McCall, Mikael, and Mccallister are the closest matches by sound. Most share Mccall's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of Cathal, son of the battle-ruler"
"follower of Demeter"
"beloved, dear one"
"beautiful flower"
"blend of Jessica and Lynn"
"His gift; place of peace; tranquil (Biblical place name)"
"beautiful, most beautiful"
"God is my father"
"plum tree (as Chinese surname 李)"
"noble, dear child"
"beloved, of the sea"
"eagle"
"captivating, alluring, powerfully attractive"
"stag clearing, deer meadow"
"exalted princess"
"sea, ocean"
"lurking on the rock, alluring siren"
"fossilized golden resin"
"like unto God"
"pure"
"ewe, female sheep"
Similar sound: These names share phonetic patterns with Mccall — 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 Mccall.
Rhythm: Mccall is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.