Lady Synnot, a prominent Anglo-Australian socialite known for her deep ties to both Australia’s rural heritage and British intelligence circles, has died at the age of 100. Born Elizabeth Anne Manifold in Melbourne on December 12, 1925, she descended from one of Victoria’s pioneering families that had established significant pastoral holdings in the Western District since the 1830s.

Raised in a traditional country estate environment, Anne Synnot’s upbringing combined the rugged demands of station life with the refined elegance of the Anglo-Australian pastoral aristocracy. She was educated initially by governesses before attending Toorak College, where she became head girl. During World War II, she trained as a nurse, working nights in a Melbourne hospice, reflecting an early commitment to practical service.

In 1948, she married John Colvin, a former Royal Navy officer whose career in the British Foreign Office concealed his role as an MI6 officer. Their marriage took the couple through various international postings, including Oslo, Vienna, and Kuala Lumpur throughout the Cold War period. Colvin later headed the MI6 station in Washington, liaising closely with the CIA. The union produced two children, Mark and Zoë, but eventually ended in divorce. While Colvin was more intellectually inclined and urban, Anne remained devoted to country pursuits, particularly horses and livestock.

Her second marriage, in 1968, was to Rear Admiral Anthony Monckton Synnot, a distant Australian relative, who later became Chief of Naval Staff and then Chief of Defence Force Staff—the highest military role in Australia during the late 1970s. Lady Synnot accompanied her husband back to Australia, settling on rural properties near Queanbeyan and Yass. There, she engaged deeply with breeding cattle and carriage horses, becoming a respected figure in equestrian circles. She was known for excelling in carriage driving competitions and supporting organizations dedicated to riding and driving opportunities for disabled individuals. Her contributions to the sport were recognised through the Anne Synnot Cup, which remained an important event as recently as 2026.

Lady Synnot’s life spanned a century that witnessed profound global and social changes. She moved fluidly between worlds—from the expansive Australian outback to the discreet halls of British intelligence and diplomatic society, and back again to the landscape she cherished most. Throughout, she retained the distinct accent and mannerisms of the traditional Anglo-Australian pastoral elite, while demonstrating a practical resilience emblematic of the lifestyle she embraced.

Her husband died in 2001 after a long illness, and she was later bereaved by the death of her son Mark Colvin, a well-known Australian broadcaster and foreign correspondent, in 2017. Lady Synnot is survived by her daughter and two stepdaughters, leaving behind a legacy that bridges history, country life, and service both at home and abroad.