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Royal baby name announced! Meghan Markle, Prince Harry share son's name is Archie Harrison

Welcome to the world, Archie!
The Duke and Duchess of Sussex with their baby son during a photo-call in St. George's Hall at Windsor Castle.AP
/ Source: TODAY

The newest royal baby has a name! Welcome to the world, Archie Harrison Mountbatten-Windsor.

The Duke and Duchess of Sussex announced their baby boy's name Wednesday, ending two days of suspense after celebrating the baby's birth Monday morning.

The couple revealed the name after introducing their son to Harry's grandmother, Queen Elizabeth II. Earlier in the morning, the proud parents showed their baby to the public in a brief photo op inside Windsor Castle, near their new home.

They announced their son's name on Instagram with a photo of Queen Elizabeth and her husband, Prince Philip, meeting the baby boy along with Doria Ragland, the Duchess of Sussex's mother.

"Their Royal Highnesses introduced Her Majesty The Queen to her eighth great-grandchild at Windsor Castle. The Duke of Edinburgh and The Duchess' mother were also present for this special occasion,'' they wrote in the caption.

The Duke and Duchess didn't say why they chose the name Archie Harrison, but they may have gone the literal route considering Harrison means "son of Harry."

Harry and Meghan weren't saddled with the same name restrictions as other royals, and they used that freedom to choose a nickname for Archibald, a Teutonic name that means "truly brave." Archie is his official name, not Archibald, as outlined on his new page on the royal family's website.

Archie has been a top 20 name for babies in England in recent years, while also conjuring a connection to the iconic American comic book character. The British-American connection makes perfect sense given the nationalities of the duke and duchess.

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The boy, who is now seventh in line to the throne, one spot behind his father, will not carry an aristocratic title, such as prince, due to his place in the royal hierarchy.

His cousins, Prince George, Princess Charlotte and Prince Louis, all carry the title prince or princess, thanks to a royal decree issued by the queen in 2012.

Archie could have potentially had the title of Earl of Dumbarton, because he is the firstborn son of a duke and thus can use one of his father's lesser titles. Or he could have been Lord Archie Mountbatten-Windsor, but he will be known as Master Archie Mountbatten-Windsor, according to the BBC.

He also could eventually gain a title when his grandfather, Prince Charles, becomes king. As a grandchild of the king, he would be known as His Royal Highness Prince Archie.

The boy's last name, Mountbatten-Windsor, stems from a declaration by King George V in 1917 that all male descendants of Queen Victoria shall have the last name of Windsor. Prior to 1917, members of the British royal family had no last name.

In 1960, Queen Elizabeth and the Duke of Edinburgh decided they would like their direct descendants to be distinguished from the rest of the royal family, so it was declared that those who do not carry the title of Royal Highness, or Prince/Princess, or female descendants who marry would have the name of Mountbatten-Windsor, according to the royal family's website.