Mckinley sits next to 4 phonetic neighbors — Kinsley, McKenna, 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 warrior"
"shelter, protection"
"good luck, prosperity (symbolic)"
"God beholds, foresight"
"sweet singer"
"combination of Ember (fire) and Lynn (lake)"
"of the Tatius family"
"from Massy, Normandy"
"high, lofty, exalted"
"born under Jupiter's influence"
"beautiful"
"moonlight, halo of light"
"beautiful"
"father rejoices"
"my God is Yahweh"
"forest, wood"
"maiden, girl"
"born of fire"
"pure, clear"
"noble kind (from Alice)"
"woman from Magdala, high tower"
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 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.