Orton sits next to 5 phonetic neighbors — Horton, Morton, and Barton are the closest matches by sound. Most share Orton's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"farm garden, upper estate enclosure"
"merciful, gracious"
"Noble, patrician (via Patrick)"
"bell ringer"
"noble, of noble birth"
"home ruler"
"Yahweh saves"
"modern American coinage; possibly echoing Lateran (the Roman hill)"
"writer, creator of works"
"Exclamation of triumphant discovery"
"dwelling place"
"slender; narrow passage"
Similar sound: These names share phonetic patterns with Orton — 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 Orton.
Rhythm: Orton is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.