"Variant of Lillian"
The name Lillianne is commonly a female name from the "English" origin.
Lillianne is a variant spelling of Lillian, using the ending found in Liliane, the French form of the same name. Lillian derives from Latin lilium, meaning lily, which entered English through Old French. The spelling Lillianne appears in United States birth records from 1927.
Lillian means "Noble. The Hebrew form of Elizabeth, Holy and sacred to God.".
The pronunciation of Lillianne is lil-ee-AN.