Marquez sits next to 4 phonetic neighbors — Marcus, Markel, and Marco are the closest matches by sound. Most share Marquez's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lord, nobleman"
"just, righteous"
"from Hadria, near the Adriatic"
"God has given (via Nathan blend)"
"harmonious regularity"
"people's king"
"swift, quick"
"from Old English gerefa (administrator)"
"river, flowing strength"
"smith, metalworker"
"one blessed by God"
"from the wealthy estate, prosperous settlement"
"short nose"
"creative modern coinage"
"God will add; God will increase"
"creative modern invention"
"spark, smoldering fire"
"from Ilium, ancient Troy"
"geographic name (Rakai District, Uganda)"
"son of the devotee of Saint Fillan"
"may God give strength"
Similar sound: These names share phonetic patterns with Marquez — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Spanish/French origins, giving them the same cultural heritage as Marquez.
Rhythm: Marquez is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.