Macon sits next to 4 phonetic neighbors — Mason, Makin, and Bacon are the closest matches by sound. Most share Macon's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"place name: fortified settlement"
"God is my strength"
"nobody, no one"
"gift, good-natured"
"peaceful (from Latin pax)"
"of Mars, warrior spirit (Mars element)"
"Yahweh is my light"
"famous land"
"to rise, ascend, increase"
"compound Biblical name"
"God's beauty (Jah + beauty)"
"place of the blue dye plant"
"from Arcadia, of the idyllic land"
"Eorla's settlement (personal name etymology)"
"son of the red-haired one"
"my God is Yahweh"
"beautiful, good"
"leader, superior one"
"one who inscribes"
"scarce, uncommon"
"Tyrian — of imperial purple"
Similar sound: These names share phonetic patterns with Macon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Gaulish-Latin Matisco origins, giving them the same cultural heritage as Macon.
Rhythm: Macon is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.