Maddux sits next to 4 phonetic neighbors — Maddox, Marcus, and Magnus are the closest matches by sound. Most share Maddux's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of the fortunate one"
"bright-headed warrior"
"dark settlement (place name)"
"modern invented name"
"king, sovereign"
"from the pool or marsh"
"fair, white, bright"
"handsome, fair one"
"will, desire, helmet"
"salvation of God"
"variant of Lakin: small play, sport"
"growth, abundance, increase"
"flax, flaxen-haired"
"divine, god"
"God has given"
"held by the heel (biblical reference)"
"new house, bright"
"related to Thor (thunder)"
"beloved (from David)"
"cedar tree, resinous wood"
"bearer of Christ"
Similar sound: These names share phonetic patterns with Maddux — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Welsh (Madog) origins, giving them the same cultural heritage as Maddux.
Rhythm: Maddux is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.