Meghan Markle br and Prince Harry br Name Their Son Archie After releasing the first pics of the Royal Baby, the Duke and Duchess of Sussex have revealed his name, Archie Harrison Mountbatten-Windsor. The pair made the announcement with a photo of Archie with his grandparents on Instagram. @sussexroyal Archie was born on Monday, May 6, br at 5:26 A.M. He weighed 7 pounds, 3 ounces.