Bandon sits next to 4 phonetic neighbors — Brendan, Brandon, and Landon are the closest matches by sound. Most share Bandon's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from the River Bandon, white water"
"narrow river"
"noble kind, of noble birth"
"modern variant of Tyrell (surname used as given name)"
"Settlement by the rocks"
"land of the Indus River"
"tomorrow"
"land of the Bretons, from Brittany France"
"coined name combining Monte and Mario"
"appointed, placed"
"settlement by the valley"
Similar sound: These names share phonetic patterns with Bandon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish Gaelic origins, giving them the same cultural heritage as Bandon.
Rhythm: Bandon is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.