Meghan Markle, Duchess of Sussex wife of Prince Harry Duke of Sussex and mother of Archie Mountbatten-Windsor) will celebrate her 39th birthday on August 4, 2020. The Royal couple currently lives in LA. America. 03 Aug 2020 Pictured: Meghan Markle, Duchess of Sussex wife of Prince Harry Duke of Sussex and mother of Archie Mountbatten-Windsor) will celebrate her 39th birthday on August 4, 2020. The Royal couple currently lives in LA. America. Photo credit: MEGA TheMegaAgency.com +1 888 505 6342