From Britain or Brittany
A variant spelling of Brittany, referring to the region in northwest France or the island of Great Britain. It originally denoted people from the Celtic tribe of Britons who migrated to the Armorican peninsula.
Less common today
Brittanny isn't in the latest US Top 1000. It last peaked at #2,894 in 1990.
US births per 5-year period, 1990–present (SSA data).
