Mariana sits next to 4 phonetic neighbors — Maria, Marianna, and Ariana are the closest matches by sound. Most share Mariana's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"grace, wished-for child"
"From Denmark"
"flat plain"
"vow to God"
"beginning, origin, creation"
"of Catherine, the pure one"
"motion, wandering"
"born at dawn"
"noble army woman"
"short form of names ending in -lia"
"torch, bright flame"
"most holy"
"green gem"
"Rival; to emulate; eager"
"sharp, keen, praise"
"lily flower; pure"
"adornment, ornament"
"beloved; of love"
"lion of God"
"flourishing, prosperous"
"black, dark-colored"
Similar sound: These names share phonetic patterns with Mariana — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Mariana.
Rhythm: Mariana is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.