Walton sits next to 5 phonetic neighbors — Walden, Waltona, and Colton are the closest matches by sound. Most share Walton's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"settlement of the Britons"
"from Clare, the bright place"
"blooming, fresh, green"
"bright, famous"
"elf counsel"
"washed, cleansed; or variant of Lavinia"
"prosperous friend"
"flowing, moving freely"
"lame, limping"
"luminous, shining (via Lucinda)"
"from Leicester; possibly heavenly"
"battle horn"
"champion"
"of Rome, Roman woman"
"star"
"meadow on a ledge"
"numbness, the narcissus plant"
"Noble and famous"
Similar sound: These names share phonetic patterns with Walton — 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 Walton.
Rhythm: Walton is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.