How old is Lilibet and Archie: ages and birthdays
Lilibet Diana Mountbatten-Windsor, born 8 June 2021, is two years younger than her cousin Archie Harrison Mountbatten-Windsor, who was born 6 May 2019. They are maternal first cousins: Lilibet’s mother, Meghan, and Archie’s mother, Catherine, are sisters. Both were born in the United States and hold British royal protections as senior members’ descendants. Below are their verified birth details and family context.
Birth dates and current ages
As of late 2025, Lilibet is four years old and Archie is six years old. Both celebrate birthdays in early summer, with Archie in May and Lilibet in June. Exact dates are part of their publicly confirmed biographical records used by official registries and responsible reporting.
Table: Name, birth date, age as of late 2025, and relation to the Wales family
| Name | Birth date | Approximate age (late 2025) | Relationship to Wales family |
|---|---|---|---|
| Archie Harrison Mountbatten-Windsor | 6 May 2019 | 6 | Son of Catherine (Pippa) and William; first cousin to Lilibet |
| Lilibet Diana Mountbatten-Windsor | 8 June 2021 | 4 | Daughter of Meghan and Harry; first cousin to Archie |
Family relationship: first cousins through their mothers
Archie and Lilibet are first cousins because their mothers are sisters. Catherine, Princess of Wales, is the elder sister of Meghan, Duchess of Sussex. This makes their children first cousins by blood, sharing approximately 12.5% of their DNA, the standard proportion for first cousins. They share royal protections, publicly funded security arrangements, and family attendance at key milestones such as weddings and coronations.
Ceremonial names and public significance
Lilibet’s first name honors her great-grandmother Elizabeth II, whose childhood nickname was Lilibet. Her second name, Diana, honors her paternal grandmother, Diana, Princess of Wales. Archie’s first name is traditional within his family, and his middle name, Harrison, is a patronymic meaning ‘son of Harry,’ reflecting his royal lineage. Both children are among the most documented minors in modern monarchy history, with consistent media and institutional interest in their safety and upbringing.
Security, public role, and official status
As nonworking royals and senior members’ descendants, Archie and Lilibet qualify for public funding for mandated police protection when in Canada and the United Kingdom. They do not carry royal duties but attend select family events; their security protocols are coordinated by relevant authorities. Public census and royal household records reference them under agreed protection measures that prioritize their safety while acknowledging their lineage.
Frequently asked questions about Lilibet and Archie
- Are Lilibet and Archie the same age?
- Are they British citizens by birth?
- Do they have royal titles?
No. Lilibet was born in 2021 and Archie in 2019, making him approximately two years older.
Both hold British citizenship by descent through their parents; Archie was born in the U.S. and registered with British authorities, as was Lilibet, ensuring legal status despite foreign birthplaces.
Archie is a prince by birth. Lilibet is not styled as a princess or given a royal title at birth but remains a member of the royal family by descent and may receive a courtesy style later per protocol.
Comparative relationship overview: Archie and Lilibet
Their relationship is defined by shared family protections, sibling-parent bonds, and generational continuity within the monarchy. Unlike working royals, they participate in select family rites and are shielded by consistent security measures, reflecting modern adaptations to royal life for the youngest members.
Future milestones and records
As they grow, Archie and Lilibet may attend weddings, funerals, and state occasions alongside other royal family members. Public interest in their education, milestones, and potential roles will continue, supported by official records that track their status and protections over time.