Bellamy sits next to 4 phonetic neighbors — Beau, Sebastian, and Bentley are the closest matches by sound. Most share Bellamy's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"beautiful friend, fair friend"
"brave lion, lion-strong"
"modern elaboration of Jason"
"divine power (from Oswald)"
"defender of men"
"peddler, pack-horse driver"
"modern American coinage, son of Case"
"follower of Dionysus"
"gift of God"
"ever high, the highest"
"soldier"
"growth, abundance"
"son of the cloud"
"fire (from the sun god Aodh)"
"appointed, placed by God"
"of the ancient Roman Cassia gens"
"Christmas (via French Noël)"
"dweller by the woods"
"remedy, cure (folk etymology)"
"good man"
"wayfarer, traveler"
Similar sound: These names share phonetic patterns with Bellamy — 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 Bellamy.
Rhythm: Bellamy is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.