Usher sits next to 3 phonetic neighbors — Asher, Tucker, and Rusher are the closest matches by sound. Most share Usher's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"doorkeeper, one who ushers"
"Son of Walter"
"man of Rome"
"nobleman, earl"
"river in Peru"
"divinely chosen"
"lapis lazuli, beauty"
"enlightened rice (kanji: 悟飯)"
"all-powerful (divine name Al-Qadir)"
"three, third-born"
"home ruler, power"
"harmony, concord"
"battlefield (poetic extension)"
"bright, shining"
"with melody, melodious"
"prophet, one who prophesies"
"the frenzied one, the inspired"
"defender of men (short for Alexander)"
"place name: from Kelton"
"standalone phonetic name derived from letter sounds"
"fiery one"
Similar sound: These names share phonetic patterns with Usher — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French origins, giving them the same cultural heritage as Usher.
Rhythm: Usher is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.