Bright sits next to 3 phonetic neighbors — Brett, Brite, and Wright are the closest matches by sound. Most share Bright's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"shining, radiant, brilliant"
"descendant of Bradan (salmon)"
"one who burns, charcoal burner, distiller"
"God is gracious"
"brave warrior (via Wyatt)"
"the Lord is salvation"
"solid, strong"
"goddess of night, primordial deity"
"vigilant in battle (from Casey/Cathasach root)"
"modern surname-style name"
"the cleansing one, the rinser"
"tube, channel"
"God has heard"
"one who tills the land, farmer"
"asked of God, prayed for"
"large settlement, big homestead"
"modern American coinage"
"light, bringer of light"
"settlement of Holston, holly stone homestead"
"to carry, to bear"
Similar sound: These names share phonetic patterns with Bright — 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 Bright.
Rhythm: Bright is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.