Julian sits next to 5 phonetic neighbors — Julia, Juliana, and Julien are the closest matches by sound. Most share Julian's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"youthful, devoted to Jupiter"
"high, exalted, sublime"
"musical harmony; combination of notes"
"variant of Sheila (blind one, or heavenly)"
"God will add"
"the peach fruit, sweetness"
"foreigner, stranger"
"light, torch"
"hail, greetings"
"invented name, possibly meaning noble or grace"
"harmony, love"
"jasmine flower (creative variant)"
"beautiful, graceful (invented name with aesthetic meaning)"
"Mythical guardian: part eagle, part lion"
"generous, joyful"
"tortoise, ancient clan"
"God is gracious (via Johanna)"
"lion"
"fictional Na'vi name from the Avatar franchise"
"helped by God, God has helped"
Similar sound: These names share phonetic patterns with Julian — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin Julianus origins, giving them the same cultural heritage as Julian.
Rhythm: Julian is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.