Mccall sits next to 3 phonetic neighbors — McCall, McCaul, and Carroll 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 the battle chief"
"Wise; one who is judicious"
"one who breaks through"
"from mbanza, plucked instrument"
"storyteller, singer"
"beloved, dear"
"visitor, traveler"
"smooth, frank, open"
"Born on the Sabbath; a Russian form of Sabbatius, derived from the ..."
"heavenly, divine throne"
Similar sound: These names share phonetic patterns with Mccall — 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 Mccall.
Rhythm: Mccall is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.