Kylan sits next to 4 phonetic neighbors — Kyle, Kilan, and Dylan are the closest matches by sound. Most share Kylan's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"narrow strait"
"broad meadow"
"brown, dark-complexioned"
"rock, stone"
"enthusiasm, ardent"
"divine judge"
"noble, bright"
"world-encircling waters"
"strength of God"
"oak tree meadow"
"good man"
"ever ruler, eternal king"
"manly, strong, courageous"
"battle (possible Irish Gaelic root)"
"plum tree (unrelated homophone)"
"of the Lord, belonging to God"
"Frenchman"
"healer, physician"
"lion of God"
"bold counsel"
"of the Julian family"
Similar sound: These names share phonetic patterns with Kylan — 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 Kylan.
Rhythm: Kylan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.