There will be much suspense amid the royal baby fever as to what the Duke and Duchess of Sussex will call their baby.

On the one hand, the youngster will be born into the British royal family, where tradition is an intrinsic part of the Windsors’ lives.

If Harry and Meghan go classic, something like Alice, Mary, Elizabeth or Victoria for a girl, and Philip, Frederick, Charles, Arthur, Edward or James for a boy are possibilities.

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Queen Victoria and Prince Albert could inspire the baby’s name (PA)

Meghan has immersed herself in the royal way of life, ending her career as an actress, and becoming a full-time royal.

But the pair are also forward-thinking royals, and the duchess has her own American upbringing to draw on.

They may decide to surprise everyone when naming their first child.

Canadian-born Autumn Phillips, and husband Peter Phillips, opted for a non-traditional name for their daughter Savannah –  the Queen’s first great-grandchild – in 2010.

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Savannah Phillips, far right, with the royals on the Palace balcony (Yui Mok/PA)

In the US, the most popular name for a baby girl is Emma and Liam for a baby boy.

In the UK, the most popular name for a girl born in 2017 was Olivia, and for a boy Oliver.

Meghan may seek inspiration from her friends.

Her confidante and stylist Jessica Mulroney has twin boys Brian and John, and a daughter Isabel Veronica, who is known as Ivy – who were pageboys and bridesmaid at the royal wedding.

Other bridesmaids included Rylan and Remi Litt – the daughters of Meghan’s close friend Benita Litt, and Harry’s goddaughter – the youngest bridesmaid – Zalie Warren.

Harry and Meghan’s royal baby, who will be seventh in line, is extremely unlikely ever to be king or queen, meaning the couple have more freedom with their choices.

The Duke and Duchess of Cambridge went ultra-traditional by picking royal favourite George for their firstborn – a future king.

Princess Charlotte also has a regal name, and Prince Louis, although not a traditional Windsor name, was a poignant choice for its connection to the Prince of Wales’s much-loved great-uncle Earl Mountbatten.

One option – considered a favourite for a girl – is Diana in honour of Harry’s late beloved mother.

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Harry’s mother Diana, Princess of Wales (John Stillwell/PA)

William and Kate paid tribute to Diana, Princess of Wales in 2015 by choosing it as one of Charlotte’s middle names.

Harry, who adored Diana, was just 12 when the princess was killed suddenly in a car crash in Paris in 1997.

Charles would honour Harry’s father, while Elizabeth, another of Charlotte’s middle names, would be out of respect for Harry’s grandmother the Queen.

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Harry looks at his grandmother the Queen at the Queen’s Young Leaders Awards Ceremony at Buckingham Palace (John Stillwell/PA)

Meghan’s mother, to whom she is close, is called Doria, and the ex-Suits star may want to pay tribute to her as well.

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Meghan could choose to honour her mother Doria Ragland (Aaron Chown/PA)

Thomas is a popular family name for the duchess. Her father is Thomas Markle, as is her half brother.

But relations with her relatives have proved troublesome following her father’s absence from her wedding, his comments to the press, and the lack of invites extended to the rest of the family.

Meghan, who is the first mixed-race person in modern history to marry a senior British royal, has written about the significance of choosing names within her own family.

She told how her great-great-great-grandfather went on to create his own identity when freed from slavery.

“Because in 1865 (which is so shatteringly recent), when slavery was abolished in the United States, former slaves had to choose a name. A surname, to be exact,” she wrote.

“Perhaps the closest thing to connecting me to my ever-complex family tree, my longing to know where I come from, and the commonality that links me to my bloodline, is the choice that my great-great-great-grandfather made to start anew.

“He chose the last name Wisdom.”