Preston sits next to 3 phonetic neighbors — Treston, Weston, and Easton are the closest matches by sound. Most share Preston's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"priest's town, priestly settlement"
"best"
"patrician, of noble birth"
"spotted stone"
"little red one (from red hair)"
"son of the young warrior"
"brave in battle"
"man of peace"
"son of Elias"
"son of Jens (son of John)"
"strength, dominance"
"God is gracious (via John/Zane)"
"friendly, allies, friend"
"great warrior, one who cuts down"
"black gemstone"
"praised, thankful"
"morning"
"lover of hounds, wolf lover"
"from Laurentum, laurel-crowned"
"small, humble"
Similar sound: These names share phonetic patterns with Preston — 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 Preston.
Rhythm: Preston is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.