Britanie is of American origin, derived from the French 'Bretagne,' which means Brittany, the region in northwest France. This unique and captivating name gained popularity as an alternative spelling to Brittany in the United States during the late 20th century.
The name Britanie saw its peak popularity in the late 1980s and early 1990s, with a significant increase from 1985 to 1987 (20 to 33 births). After 1996, the number of annual births with the name Britanie consistently declined, reaching single digits by the year 2000.