Heston sits next to 4 phonetic neighbors — Weston, Preston, and Beston are the closest matches by sound. Most share Heston's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"settlement in the brushwood"
"God is gracious"
"ancient, enduring"
"bear-like strength (if related to arth)"
"possessor, acquirer"
"crowned one"
"God is gracious"
"of the Saxon people"
"pursuer, one who seeks"
"modern American coinage (rhyming name family)"
"honorable"
"noble strength"
"from Thrace"
"God has remembered"
"modern invented name combining Jay and -ven"
"from Hugh's meadow, Hucc's woodland clearing"
"improvement, change for the better"
"maker or seller of knives"
"American coinage, origin debated"
"from Stockton"
"air, atmosphere"
Similar sound: These names share phonetic patterns with Heston — 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 Heston.
Rhythm: Heston is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.