Mckenna sits next to 5 phonetic neighbors — Makenna, McKenzie, and Kenna are the closest matches by sound. Most share Mckenna's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of Cionaodh (fire-born)"
"born eighth, eighth child"
"sunlight, beam of light"
"hope"
"night, dark beauty"
"curly-haired"
"pale, fair"
"heavenly, exalted, high"
"slender, fair"
"free person"
"concord, unity of parts"
"little ruler, impulsive one"
"plain, field, open land"
"entire, all-encompassing"
"beautiful, attractive"
"boomerang"
"to open (spring)"
"noble, kind"
"unhappy, unlucky one"
"cold, dark season of rest and renewal"
"champion, one who attains"
Similar sound: These names share phonetic patterns with Mckenna — 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 Mckenna.
Rhythm: Mckenna is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.