Byron sits next to 3 phonetic neighbors — Brian, Baron, and Myron are the closest matches by sound. Most share Byron's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"at the cattle sheds, one from the byres"
"beautiful friend, fair friend"
"in him there is strength"
"gift of God"
"of, from (Dutch)"
"valley, hollow"
"narrow, a strait"
"dark-complexioned son"
"slender, narrow"
"land where rye is grown"
"son of the red-haired one"
"ruler of the army (Scandinavian form)"
"from Amiens (France)"
"right-handed, skillful"
"dweller near the heath"
"son of the cloud"
"beloved of God"
"western town"
"narrow water"
"strong warrior"
"love, passion transformed"
Similar sound: These names share phonetic patterns with Byron — 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 Byron.
Rhythm: Byron is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.