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"
"gift of God's grace"
"powerful giant, cosmic force"
"champion, noble one"
"wise ruler, ruler's advisor"
"army ruler (from Harold/Harald)"
"lord, sovereign"
"son of Oeneus, warrior"
"follower of Christ, anointed one"
"brave in battle (via Casey etymology)"
"son of Tenney"
"cinnamon tree"
"shoemaker, cobbler"
"sky blue, cerulean"
"Ireland, land of the west"
"fast sailing vessel"
"hay valley"
"gracious, dear one"
"God is gracious"
"Kent dale, valley settlement"
"from the place of Einion"
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.