The new royal baby is called Louis — here's why

  • The Duke and Duchess of Cambridge have called their third child Louis Arthur Charles — and royal experts say it's a nod to relatives, past and present.
  • One obvious link is with Prince Louis' grandfather, Prince Charles, while the name may also be a tribute to Louis Mountbatten, Prince Philip's uncle and mentor.
  • The baby is fifth in line to the throne, bumping Prince Harry into sixth place.


Prince William and Kate Middleton have called their third child Louis Arthur Charles — and it is likely to be a nod to the young Prince's relatives, past and present.

The Duke and Duchess of Cambridge revealed the name on Friday and it didn't take long for royal observers, including at The Daily Telegraph and The Guardian, to identify its lineage.

One obvious link is with Prince Louis' grandfather, Prince Charles, while the name may also be a tribute to Louis Mountbatten.

Mountbatten was Duke of Edinburgh Prince Philip's uncle and mentor. He encouraged his nephew to marry Queen Elizabeth, and was considered an "honorary grandfather" by Prince Charles, according to the MailOnline. Mountbatten was killed by an IRA bomb in 1979.

Related: Meet Louis 

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TOPSHOT - Britain's Prince William, Duke of Cambridge (L) and Britain's Catherine, Duchess of Cambridge show their newly-born son, their third child, to the media outside the Lindo Wing at St Mary's Hospital in central London, on April 23, 2018. (Photo by Daniel LEAL-OLIVAS / AFP) (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
LONDON, ENGLAND - APRIL 23: The newborn son of Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge as they depart the Lindo Wing at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Chris Jackson/Getty Images)
Britain's Catherine, Duchess of Cambridge holds her newly-born son, her third child, as she and her husband Britain's Prince William, Duke of Cambridge (unseen) show him to the media outside the Lindo Wing at St Mary's Hospital in central London, on April 23, 2018. - Britain's Prince William accompanied his wife Catherine as she left hospital after giving birth to a baby boy, the couple's third child who is fifth in line to the British throne. (Photo by John Stillwell / POOL / AFP) (Photo credit should read JOHN STILLWELL/AFP/Getty Images)
LONDON, ENGLAND - APRIL 23: Catherine, Duchess of Cambridge departs the Lindo Wing with her newborn son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by John Stillwell - WPA Pool/Getty Images)
LONDON, ENGLAND - APRIL 23: The newborn son of Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge as they depart the Lindo Wing at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge depart the Lindo Wing with their newborn son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - APRIL 23: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge depart the Lindo Wing with their newborn son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a son at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Karwai Tang/WireImage)
LONDON, ENGLAND - APRIL 23: Catherine, Duchess of Cambridge leaves with her new baby from the Lindo Wing, St Mary's Hospital on April 23, 2018 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - APRIL 23: Catherine, Duchess of Cambridge departs the Lindo Wing with her newborn son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by John Stillwell - WPA Pool/Getty Images)
LONDON, ENGLAND - APRIL 23: Catherine, Duchess of Cambridge departs the Lindo Wing with her newborn son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by John Stillwell - WPA Pool/Getty Images)
The Duke and Duchess of Cambridge and their newborn son outside the Lindo Wing at St Mary's Hospital in Paddington, London. (Photo by Dominic Lipinski/PA Images via Getty Images)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge, pose for photographers with their newborn baby boy outside the Lindo Wing of St Mary's Hospital on April 23, 2018 in London, England. The Duke and Duchess of Cambridge's third child was born this morning at 11:01, weighing 8lbs 7oz. (Photo by Dan Kitwood/Getty Images)
LONDON, ENGLAND - APRIL 23: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge depart the Lindo Wing with their newborn son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a son at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Mike Marsland/Mike Marsland/ WireImage)
LONDON, ENGLAND - APRIL 23: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge, pose for photographers with their newborn baby boy outside the Lindo Wing of St Mary's Hospital on April 23, 2018 in London, England. The Duke and Duchess of Cambridge's third child was born this morning at 11:01, weighing 8lbs 7oz. (Photo by Jack Taylor/Getty Images)
LONDON, ENGLAND - APRIL 23: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge, depart the Lindo Wing with their newborn son at St Mary's Hospital on April 23, 2018 in London, England. The Duchess safely delivered a boy at 11:01 am, weighing 8lbs 7oz, who will be fifth in line to the throne. (Photo by Gareth Cattermole/Gareth Cattermole/Getty Images)
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Louis is also the middle name of both Prince William and his eldest son Prince George. Their full names are William Arthur Philip Louis and George Alexander Louis respectively.

Bookies' favourites for the new royal's name had included Alexander, Arthur, James, Philip, and Albert. Louis was 20/1 with some, meaning people could have made a healthy profit if they had bet on the name.

Louis is currently the 71st most popular name for a baby boy in England and Wales, according to Press Association journalist Ian Jones. It could well climb in the rankings in the same way Charlotte did after Princess Charlotte was named.

Kensington Palace announced the new Prince's name in a tweet on Friday. "The Duke and Duchess of Cambridge are delighted to announce that they have named their son Louis Arthur Charles. The baby will be known as His Royal Highness Prince Louis of Cambridge," it said.

Kate Middleton gave birth to the baby boy weighing 8lbs, 7oz, at 11.01 a.m. on Monday April at the Lindo Wing of St Mary's Hospital in London.

RELATED: Best photos of the royal family 

24 PHOTOS
The best photos of the British Royal Family
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The best photos of the British Royal Family

When Prince George met President Obama, in his bathrobe, no less.

(Photo by Pete Souza/The White House)

Prince William holding Duchess Kate's hand as they leave the St. Andrews Anniversary Dinner in New York City while she was pregnant with Charlotte.

(Photo by James Devaney/GC Images)

Prince Harry shares a joke with British competitors at the velodrome during the 2014 Invictus Games.

(Photo by Chris Jackson/Getty Images)

Prince William gives Prince George a kiss on the head while on tour in Australia.

(Photo by Chris Jackson/Getty Images)

Prince William shares a joke with his grandfather the Duke of Edinburgh during an offical visit to RAF Valley in 2011.

(Photo by Christopher Furlong - WPA Pool/Getty Images)

The Duchess of Cambridge reacts (hilariously) as young Dayna Miller shows her a doll made to look like the Duchess.

(Photo credit should read DANNY LAWSON/AFP/Getty Images)

Prince William explains the planes and helicopters to his very wind-blown son during a visit to the Royal International Air Tattoo.

(Photo by Max Mumby/Indigo/Getty Images)

This adorably candid moment between William and Kate at the London 2012 Olympic Games.

(Photo by Pascal Le Segretain/Getty Images)

Prince Harry melting hearts as he poses with a Dutch girl named Daimy Gommers at Invictus Games Orlando 2016.

(Photo by Chris Jackson/Getty Images)

Prince William stretching before the Audi Polo Challenge because ... lol.

(Photo by Max Mumby/Indigo/Getty Images)

Two year old Frederik Azzopardi cries as he refuses to give Queen Elizabeth ll a posy of flowers during The Queen's and visit to University College in 1999.

 (Photo by Anwar Hussein/Getty Images)

The Duchess of Cambridge rolls her eyes after someone at an event in NYC tells her to "keep wrapping!" when she pauses to speak with volunteers. 

(Photo by Samir Hussein/Pool/WireImage)

Prince Harry pretends to be a secret service agent (or James Bond?) as Kate cracks up at the 2014 Trooping the Colour ceremony.

(Photo by Chris Jackson/Getty Images)

The many faces of Prince George during his 2014 royal tour of Australia and New Zealand.  

(Photo by Mark Nolan/Getty Images)

And the many faces of Kate during the London 2012 Olympics.

(Photo by Pascal Le Segretain/Getty Images)

Need we say more?

(Photo by Al Bello/Getty Images)

President Reagan laughs following a joke by the straight-faced Queen Elizabeth II, who commented on the lousy California weather she has experienced since her arrival to the States. 

(Photo by Bettmann via Getty Images)

When Kate and William realized they were up on the Jumbotron at Barclays Center in NYC.  

(Photo by Al Bello/Getty Images)

Dikembe Mutombo telling Kate and Wills this is the BEST POPCORN EVER. And The royals can't *wait* to try it.

(Photo by James Devaney/WireImage)

All of the adorable emotions from the most recent balcony appearance.

(Photo by Luca Teuchmann/WireImage)

Prince Harry makes a funny face at Ascot Racecourse in 2011.

(Photo by Indigo/Getty Images)

When William and Kate met Beyonce and Jay-Z.

(Photo by Nathaniel S. Butler/NBAE via Getty Images)

When the Duke of Cambridge adorably offered his wife a flower at the Taronga Zoo in Sydney.

(Photo by Pool/Samir Hussein/WireImage)

Prince Harry sticks out his tongue as he jokes with a child during a visit to the Lesotho Child Counselling Unit in 2008.

(Photo by Anwar Hussein/WireImage)

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SEE ALSO: The royal baby has been named — meet Louis Arthur Charles

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