Marques sits next to 5 phonetic neighbors — Marcus, Marquis, and Marcos are the closest matches by sound. Most share Marques's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lord of the marches, border lord"
"sky blue, cerulean"
"commander, leader"
"my light, my flame"
"holder of the heel, supplanter"
"occupational surname for a leather worker"
"slender youth, young warrior"
"zero, emptiness, infinite possibility"
"son of Jack"
"sea, ocean (via Kai)"
"descendant of Braonán (moisture/sorrow)"
"little drop of water"
"the color blue, sky"
"supplanter, one who follows at the heel"
"exalted of the Lord"
"king's town"
"island meadow"
"famous ruler"
"modern phonetic creation"
"courageous, valiant"
Similar sound: These names share phonetic patterns with Marques — 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 Marques.
Rhythm: Marques is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.