PUBLISHED: 11:28, Mon, Nov 30, 2020 | UPDATED: 11:28, Mon, Nov 30, 2020
Archie, who will turn two next May, is said to be growing up quickly and happily in Meghan and Harry's home in Montecito, California. Meghan and Harry spend hours playing in the garden with their son, the source said as the family celebrated their first US Thanksgiving together.
A source told People magazine: "They are very happy. Archie is thriving and growing quickly.
"As a family, they spend hours outside."
The family-of-three celebrated Thanksgiving with a "quiet" dinner and a homecooked meal, according to a source close to the Sussexes.Insurance Loans Mortgage Attorney Credit Lawyer
They said: "They are going to have a quiet dinner at home and are looking forward to celebrating their first American Thanksgiving in the States as a family.
Archie Harrison doesn't have a royal title (Image: GETTY)
Archie Harrison with Prince Harry during their holidays in Canada (Image: DUKE AND DUCHESS OF SUSSEX/INSTAGRAM)
"They plan to enjoy a home-cooked meal with traditional Thanksgiving dishes, including recipes made with fresh vegetables from their garden."
The young family is believed to have been joined on the special holiday by Meghan's mother Doria Ragland.
Next month, Archie, Harry and Meghan will also likely spend their first Christmas together in the US, as travel restrictions issued to tackle the coronavirus pandemic continue to make it difficult for the Sussexes to cross the pond and visit their British side of the family.
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Archie Harrison met Archbishop Desmond Tutu during the Sussexes' tour to South Africa (Image: GETTY)
The source said the family is "excited to decorate for Christmas".
Last year the Duke and Duchess of Sussex spent their Thanksgiving and Christmas holidays in British Columbia, during an announced six-week break from royals duties.