"Blend of Amari and Anna"
The name Amarianna is commonly a female name from the "American" origin.
Amarianna is a modern American formation that reads as the name Amari joined to Anna. Amari is a given name in use in the United States, and Anna is a long established name in European languages. The combined shape follows the pattern of names such as Arianna and Marianna, and the name enters United States birth records only from the 1990s onward.
The pronunciation of Amarianna is ah-mar-ee-AH-nuh.