Sutton sits next to 4 phonetic neighbors — Button, Hutton, and Dutton are the closest matches by sound. Most share Sutton's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"southern settlement, south farm"
"king"
"kingly, of royal blood"
"from Rome, the Eternal City"
"always powerful"
"God prevails; God persists"
"one who lives near a riverbank"
"bowman, archer"
"possibly from a- (not) + treo (tremble)"
"toward the sea, seaward"
"of Mars, warlike"
"modern blend of Kai (sea) and -son suffix"
"to tame, to subdue"
"God is gracious"
"bent nose"
"divinely appointed, called by God"
"divine, god-like"
"charcoal, dark"
"modern American invented name"
"ruler of the home"
"flat-nosed (secondary Greek meaning)"
Similar sound: These names share phonetic patterns with Sutton — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English (suð + tun) origins, giving them the same cultural heritage as Sutton.
Rhythm: Sutton is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.