| Full Name | Lady Louise Alice Elizabeth Mary Mountbatten-Windsor |
| Date of Birth | 8 November 2003 |
| Height | Approximately 5 ft 4½ in (1.64 m); not officially confirmed |
| Age | 22 years old as of September 2026 |
| Birthplace | Frimley Park Hospital, Surrey, England |
| Nationality | British |
| Royal House | House of Windsor |
| Parents | Prince Edward, Duke of Edinburgh, and Sophie, Duchess of Edinburgh |
| Father | Prince Edward, Duke of Edinburgh |
| Mother | Sophie, Duchess of Edinburgh |
| Sibling | James, Earl of Wessex |
| Grandparents | Queen Elizabeth II and Prince Philip |
| Uncle | King Charles III |
| Profession | Royal family member; recent university graduate |
| Career Status | Not a working member of the Royal Family |
| Famous For | Being a granddaughter of Queen Elizabeth II and a member of the British Royal Family |
| Known Interest | Carriage driving and equestrian sport |
| Hobbies | Carriage driving, equestrian activities, volunteering and horse-related activities |
| Carriage Driving | Competitive carriage driver; she has continued the sport associated with her grandfather Prince Philip |
| Education | St George’s School, Windsor; St Mary’s School Ascot; University of St Andrews |
| University | University of St Andrews, Scotland |
| Degree | English and International Relations |
| Graduation | Graduated in July 2026 |
| Current Plans | Taking a gap year involving work, volunteering and travel before choosing a longer-term career |
| Royal Title Used | Lady Louise Mountbatten-Windsor |
| HRH Title | Does not use the HRH styling |
| Line of Succession | 17th in line to the British throne |
| Marital Status | Unmarried |
| Relationship Status | Reportedly close to Felix da Silva-Clamp; no formal relationship has been publicly confirmed |
| Children | None publicly reported |
| Hair Color | Blonde/light brown |
| Eye Color | Not reliably documented |
| Weight | Not publicly and reliably disclosed |
| Instagram | No verified official personal Instagram account publicly established |
| Net Worth | Not officially disclosed |
| Estimated Net Worth | No reliable independently verified personal estimate available |
| Main Source of Wealth | No publicly documented personal business or salary; family wealth should not be confused with her personal net worth |
| Duke of Edinburgh’s Gold Award | Received the Gold Award in 2026 |
| Royal Windsor Horse Show | Has participated in carriage-driving events |
| Notable Royal Appearance | Bridesmaid at Prince William and Catherine’s 2011 wedding |
| Grandfather’s Influence | Prince Philip’s passion for carriage driving strongly influenced Louise’s involvement in the sport |
| Personal Lifestyle | Relatively private compared with senior working royals |
| Official Royal Duties | No regular official duties as a working royal |
| Family Role | Member of the extended British Royal Family |
| 2026 Achievement | University graduation and continued competitive carriage driving |
| Overall Profile | A private young royal balancing education, family life, equestrian sport and plans for an independent career |
