Dalton sits next to 4 phonetic neighbors — Dalton, Colton, and Bolton are the closest matches by sound. Most share Dalton's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from the valley town"
"good fortune, luck"
"wealthy companion"
"small, humble"
"sorrowful (folk etymology via French)"
"dweller near the woods"
"oak tree meadow"
"comforted by God"
"animal enclosure, warren"
"friendly, allies, friend"
"of the Caspian Sea"
"victory of the people (from Nicholas)"
"hollow (place)"
"narrow channel's son"
"modern coinage combining Jay + Len"
"renowned in battle"
"son of the lion"
"great surrounding sea"
"the honored defender"
"distinguished, bright"
Similar sound: These names share phonetic patterns with Dalton — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Dalton.
Rhythm: Dalton is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.