From Britain or the land of the Britons
A variant of Brittany, referring to the region in northwest France settled by Britons. It gained popularity in the United States during the late 20th century as a geographic surname-turned-given name.
Less common today
Britany isn't in the latest US Top 1000. It last peaked at #492 in 1990.
Professional basketball player
US births per 5-year period, 1990βpresent (SSA data).