Janiese is of American origin, derived from the French 'Jean', meaning 'God is gracious'. It's a unique and stylish choice for a girl's name, often used in the southern United States. The name gained some popularity during the late 20th century but remains relatively uncommon today.
"The name Janiese experienced two peaks in popularity, with six births each in 1972 and 1992, totaling twelve births overall."