The document also shows the former Suits actress job as “Princess of the United Kingdom”.
Archie was born at 5.26am local time (2.26pm AEST) on May 6 weighing in at 7lbs 3oz (3.26kg).
The royal couple returned home just hours after their son’s birth.
It was there that Prince Harry announced that he was a father.
WATCH PRINCE HARRY BEAM AS A NEW FATHER!
“I’m very excited to announce that Meghan and myself had a baby boy earlier this morning, a very healthy boy. Mother and baby are doing incredibly well. It’s been the most amazing experience I could ever have possibly imagined,” he said.
“How any woman does what they do is beyond comprehension, but we’re both absolutely thrilled and so grateful to all the love and support from everybody out there. It’s been amazing, so we just wanted to share this with everybody.”