Dylon sits next to 3 phonetic neighbors — Dylan, Dillon, and Dilan are the closest matches by sound. Most share Dylon's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of the sea"
"born on Sunday (in some traditions)"
"overcoming, prevailing"
"noble, virtuous"
"black banded gemstone"
"possibly twin (via Tavish connection)"
"to shout, to sing joyfully"
"one who honors God"
"invented warrior name, holy warrior"
"slender, narrow"
"he will judge"
"craftsman, artisan"
"running (speed)"
"son of Jack"
"sacred flower of enlightenment"
"prince, commander"
"strong grip, paw"
"dark one, little dark one"
"descendant of Raghallach"
"man, free man"
"supplanter, one who follows at the heel"
Similar sound: These names share phonetic patterns with Dylon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Welsh origins, giving them the same cultural heritage as Dylon.
Rhythm: Dylon is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.