Dalton sits next to 4 phonetic neighbors — Dalton, Colton, and Holton 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
"settlement in the valley, valley town"
"dark-complexioned warrior"
"sunray, shining light"
"famous in battle (via Clothilde)"
"victorious one"
"famous"
"truth (from Alethea root)"
"crown"
"lady, mistress of the house"
"spear ruler, noble one"
"hero, man of courage"
"famous warrior (from Germanic Ludwig roots)"
"of the Drusus family"
"victory of the people"
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.