Kenner sits next to 5 phonetic neighbors — Connor, Kenyon, and Bennett are the closest matches by sound. Most share Kenner's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"born of fire, handsome chief (via Kenneth/Cionaodha)"
"builder, craftsman"
"cart driver, cart maker"
"bright, splendid"
"fortified stronghold"
"possessor of goodness, kingly"
"noble and famous"
"Dracula spelled backwards (fictional)"
"from the third settlement"
"known by God"
"manly, strong"
"descendant of Ógán"
"son of the grey-haired one"
"descendant of Ceallachan"
"thunder"
"occupational name for a burner of coal or lime"
"he to whom it belongs"
"from the island of Cyprus"
"modern American blend name, no single etymology"
"compassion, forgiveness, clemency"
"wholehearted, all heart, faithful"
Similar sound: These names share phonetic patterns with Kenner — 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 Kenner.
Rhythm: Kenner is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.