Halston sits next to 4 phonetic neighbors — Holston, Halton, and Houston are the closest matches by sound. Most share Halston's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"holy stone settlement"
"harmony"
"defender of the people"
"blind (saint's epithet)"
"blonde, yellow-haired"
"gift from God"
"lion of God (as short form of Ariel)"
"gift of God, pool"
"exalted, ascendant"
"of noble kind, noble birth"
"a days travel, trip"
"strength, power"
"lake, pool"
"infinite time, endless existence"
"awakening"
"spiritual ecstasy"
"from the River Slane"
Similar sound: These names share phonetic patterns with Halston — 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 Halston.
Rhythm: Halston is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.