"Blend of Cari and Anne"
The name Carianne is commonly a female name from the "English" origin.
Carianne is a modern English formation that joins Cari, a short form of Caroline or Cara, with Anne. It follows the pattern of names such as Marianne, Roseanne and Leanne, which attach Anne to a first element. The name is not recorded as an inherited name with its own meaning in the sources consulted.
The pronunciation of Carianne is kair-ee-AN.