Harry and Meghan will no longer be senior royal members after March 31st. Now it has been announced that they will no longer use the "Sussex Royal" name either.
A royal source revealed that while Harry and Meghan would keep their HRH titles, they won't use them: "Their non-profit organisation, when it is announced in Spring, will not be named Sussex Royal Foundation."
Harry and Meghan won't use the "Royal Sussex" name anymore
Apart from the fact that Harry and Meghan won't use the "Royal Sussex" name in the non-profit organisation they plan to establish, it was also announced that "the Duke and Duchess of Sussex do not intend to use ‘SussexRoyal’ in any territory post Spring 2020."
Before March 31st, Harry and Meghan are set to attend six events in the United Kingdom, including the Commonwealth Day service, on March 9. Prince Harry will also attend the London Marathon in April as the patron, as well as the Invictus Games in the Netherlands in May.