"Blend of Kerri and Ann"
The name Kerriann is commonly a female name from the "English" origin.
Kerriann is a modern English formation that joins the given names Kerri and Ann into a single written word. Kerri is an English feminine name, and Ann is a long-established English form of Anna. The joined spelling appears in United States birth records from 1960 onward.
The pronunciation of Kerriann is KEH-ree-an.