Xaden sits next to 4 phonetic neighbors — Zaiden, Jaiden, and Caiden are the closest matches by sound. Most share Xaden's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"invented modern name, no classical meaning"
"settlement by a bird-trap"
"descendant of Caiside"
"fifth born"
"the carved one (alternate etymology)"
"son of Brice; son of Bryce"
"lord, elder"
"wealthy protector"
"unique, strong"
"narrow (from Kyle's Gaelic root caol)"
"immortal, deathless"
"beloved of the sea"
"slender, narrow"
"meadow town"
"seeking of a noble goal"
"the wild cat"
"of the forest, wood dweller (via Silas)"
"from the Isle of Bute (Bòid)"
"God has remembered"
"warrior, strong one"
"Wise one, a sage person"
Similar sound: These names share phonetic patterns with Xaden — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Modern American origins, giving them the same cultural heritage as Xaden.
Rhythm: Xaden is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.