Maddix sits next to 3 phonetic neighbors — Maddox, Madoc, and Mattix are the closest matches by sound. Most share Maddix's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of Madoc, fortunate"
"modern invented elaboration of Ezra"
"creative modern spelling variant"
"supported by Yahweh"
"of the eighth"
"battle"
"English place name surname"
"immortal, deathless"
"sky father, father of gods"
"beloved"
"son of Ole (ancestor)"
"strength of God, God is my light"
"thankful, God has heard"
"vision during sleep, aspiration"
"ripe, free"
"man of Rome"
"of the Cornelia family"
"buck's meadow, deer clearing"
"to overcome, conquer"
"reed clearing"
"to reap, harvest"
Similar sound: These names share phonetic patterns with Maddix — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Welsh origins, giving them the same cultural heritage as Maddix.
Rhythm: Maddix is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.