Why Archie and Lilibet’s Last Name Changed Again

Archie and Lilibet’s last name didn’t just change, it kept shifting, like the royal family’s paperwork was on a moving conveyor belt. One moment they’re using the Sussex surname, the next they’re tied to the titles that come with a whole new place in the line of succession.

It starts back in 2018, the year Harry married Meghan Markle and the Queen granted him the Duke of Sussex title. Meghan became the Duchess of Sussex and, with it, she adopted “Sussex” as her family name, so their kids would carry the same surname as their parents. Then the Queen died, Charles became King Charles III, and the succession dominoes pushed everyone forward, including Archie and Lilibet.

And suddenly, the name wasn’t just a label anymore, it was about who they were now.

Harry and Meghan adopted the Sussex title and name following their royal marriage in 2018.

Everything shifted in 2018 when he married Meghan Markle. On that day, Queen Elizabeth II granted him the title of Duke of Sussex, and Meghan became the Duchess of Sussex. Meghan also chose to adopt “Sussex” as her family name, aligning with her husband’s title.

This practice is not unusual in royal circles. Prince William and Catherine, for example, became the Prince and Princess of Wales when Charles ascended the throne. Their children now use “Wales” as their last name in school and other settings: George Wales, Charlotte Wales, and Louis Wales.

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The Sussex change begins when Harry becomes Duke of Sussex and Meghan officially becomes the Duchess of Sussex in 2018.

The bigger shake-up came with the Queen’s death. Charles became King Charles III, which, in turn, pushed William up to heir apparent. As everyone else moved up one spot in the succession, Archie and Lilibet also shifted.

This gave them the right to use the titles Prince and Princess under rules set down decades earlier. Buckingham Palace confirmed their updated titles, and Meghan herself emphasized how meaningful the change felt for her family.

After Queen Elizabeth II’s death, Charles steps up to King Charles III, and the heir shuffle sends William forward, which ripples straight to Archie and Lilibet.

Royal names often reflect history, status, and tradition, which can confuse outsiders.

It also echoes the AITA where someone called out flirting in their friend group.

Meghan explains why using “Sussex” as her children’s surname became deeply meaningful after motherhood.

Speaking on her Netflix series, Love Meghan, she explained the personal significance behind adopting “Sussex” as the surname for her children. The topic came up after actress Mindy Kaling jokingly referred to her as “Meghan Markle.” Meghan laughed and clarified:

“It’s so funny you keep saying Meghan Markle; you know I’m Sussex now. You have kids, and you go, ‘No, I share my name with my children.’”

She went on to explain that what at first might have seemed like a symbolic detail took on deeper importance after becoming a mother.

“I didn’t know how meaningful it would be to me,” she said. “But it just means so much to go, ‘This is OUR family name. Our little family name.’”Instagram

Buckingham Palace confirms the updated titles, and Meghan makes it crystal clear the surname “Sussex” matters to her as a mother.

That sense of unity is something she clearly values, especially after stepping back from senior royal duties in 2020. While Harry and Meghan retained their Sussex titles, their relationship with the institution has been complicated.

Still, this change in names for their children represents both tradition and personal choice—balancing the expectations of monarchy with the reality of their own lives in California. Today, their children’s official names are Archie Harrison, Prince of Sussex, and Lilibet Diana, Princess of Sussex.

To the outside world, it might feel like just another round of title adjustments. But to Harry and Meghan, it is one more way to draw a circle around their family and establish a shared identity, even as their role in the monarchy evolves.

That Netflix moment with Mindy Kaling’s “Meghan Markle” joke lands, because Meghan’s response turns the family name into “OUR family name” territory.

Traditionally, royal children use surnames from their family lineage, but they can also adopt titles based on the circumstances surrounding their birth or upbringing. Such changes are often tied to the monarchy's shifting dynamics and public perception. These transitions can be beneficial, allowing children to forge their identities while acknowledging their heritage.

To manage this complexity, families can create narratives around these changes, encouraging children to embrace their unique position within the royal lineage.

The changing surnames of Archie and Lilibet illustrate the complex interplay between royal customs and individual identity. As the article reveals, these shifts are not merely administrative but reflect deeper themes of belonging and heritage within the royal family. Families, especially those in the public eye, should engage in open conversations about names and identity to promote a healthier self-image for their children. By normalizing discussions about their unique backgrounds, parents can help their children navigate the potential confusion that comes with such changes.

This approach not only fosters an appreciation for their royal lineage but also empowers Archie and Lilibet to embrace their personal stories. In doing so, they will be better equipped to thrive in both their private lives and the public gaze, balancing tradition with their own evolving identities.

Their last name changed with the titles, but the real plot twist is that Meghan made it feel permanent.

For another independence fight, see the AITA about moving out at 19.