Mckinley sits next to 4 phonetic neighbors — McKenna, Kinley, and Finley are the closest matches by sound. Most share Mckinley's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of the fair hero"
"God heals, God supports"
"craftsman, skilled maker"
"one near the woodland clearing"
"new house, bright place"
"resolute, brilliant"
"chief, leader"
"small fort"
"from the riverbank settlement"
"from Berlin (swampy area)"
"song sung to a harp"
"well-born, noble"
"born of laughter, joy"
"slender, narrow one"
"from the hedged land"
"warrior, champion fighter"
"Trey's town, three's farm"
"from the Roman city of Lindum"
"bird-like, of the birds"
"bright friend, fair valley"
"coined name with futuristic feel"
Similar sound: These names share phonetic patterns with Mckinley — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Scottish/Irish Gaelic origins, giving them the same cultural heritage as Mckinley.
Rhythm: Mckinley is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.