Brighton sits next to 3 phonetic neighbors — Braxton, Britton, and Bryton are the closest matches by sound. Most share Brighton's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"bright homestead, bright town"
"little hawk"
"creative modern variant of Ashton/Cashton"
"cowherd's descendant"
"flowing water, river"
"modern invented name"
"from the surname of poet W.H. Auden"
"battlefield (poetic extension)"
"land, territory"
"peaceful ruler"
"the Lord is my God"
"elf counsel, wise counselor"
"anointed one (follower)"
"from Airelle (Norman village)"
"one who illuminates, enlightener"
"lion, lion of God"
"pebbly place, stony path"
"court musician, entertainer"
"wild, untamed nature"
"cherished, beloved"
"of Mars, warrior"
Similar sound: These names share phonetic patterns with Brighton — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English Beorthelm's tun origins, giving them the same cultural heritage as Brighton.
Rhythm: Brighton is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.