Daylon sits next to 5 phonetic neighbors — Dillon, Dalan, and Jaylen are the closest matches by sound. Most share Daylon's Old English (via Dillon/Dale)-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"valley settlement"
"atmospheric mist, haze"
"vision during sleep, aspiration"
"highlands, uplands"
"rock, harbor"
"rain, precipitation"
"great one, gift"
"maker of cords and ropes"
"little fire"
"of the forest, wood dweller (via Silas)"
"phonetic blend (possibly new house, or river)"
"river in Peru"
"dark one"
"God is gracious"
"surname used as first name"
"the appreciative one"
"phonetic rendering of initials J and C"
"God saves"
"lapis lazuli, beauty"
"Lukes town"
"fragrant spice, sweet bark"
Similar sound: These names share phonetic patterns with Daylon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English (via Dillon/Dale) origins, giving them the same cultural heritage as Daylon.
Rhythm: Daylon is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.