Darrion sits next to 3 phonetic neighbors — Darren, Darian, and Daron are the closest matches by sound. Most share Darrion's Celtic/Gaelic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"great oak, strength"
"lotus sound"
"courtesy, respect, gratitude"
"brother (informal)"
"acquired, craftsman (via Hebrew Cain/Kaine)"
"fast sailing vessel"
"bright counsel"
"elf's stone, ancient stone"
"famous land, fame of the land"
"allies, friends"
"God enlightens"
"God is gracious"
"place of the Koniag people"
"son of Brice"
"nobleman of the second rank"
"dark one, black-haired"
"man of the forest"
"slender, narrow"
"peace (folk etymology)"
"forest, wood, timber"
"name of God"
Similar sound: These names share phonetic patterns with Darrion — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Celtic/Gaelic origins, giving them the same cultural heritage as Darrion.
Rhythm: Darrion is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.