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"
"eternal, hidden"
"stone of the flank (kidney healing)"
"of the field, strong"
"highest point, fortified hill"
"modern invented name with noble, airy connotations"
"eminent marrow"
"praised by God (theophoric construction)"
"God is brother"
"generous, tolerant"
"supplanter, one who follows at the heel"
"strength, endurance"
"to flow, the descending river"
"God is gracious"
"Greece/Ionian (Javan/biblical element)"
"royal settlement, king's town"
"rope maker, cord seller"
"creative modern spelling variant"
"thankful"
"hare meadow"
"older, senior in wisdom"
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.