Isabel Alice Green

Isabel Alice "Belle" Green (; 9 May 1893 – 20 December 1984) was an Australian manager. She was the secretary and also later manager of Melbourne's Royal Exhibition Building. She was occasionally the temporary hostess at state occasions when her brother Robert Menzies's wife was out of the country.

Early life Green was born in Ballarat in 1893. Her parents were James and Kate (born Sampson) Menzies. She was the middle child and only daughter of their five children. Her parents moved to Melbourne in 1910 and she enrolled at the Emily McPherson College of Domestic Economy.

In December 1916, George Claridge Green embarked A few days before he embarked, he married the nineteen-year-old Green (despite her parents' wishes) at Maribyrnong army camp. Her husband's brigade later fought in Europe, By 1930, it was home to the Great Hall, the Palais Royale and the Melbourne Aquarium and the family enjoyed a cottage on the site. George died in 1938, and she took over his role on a temporary basis for a few months before she was given a permanent position. The trustees were worried about a woman being the boss of thirteen men. For two years it was the site foreman who held the keys to some buildings and she was the manager of the exhibition building when it was host to Royal events during the visit of the young Queen Elizabeth II on her 1954 tour. Green retired in 1955.

Green was awarded an OBE in 1970. While her brother was Prime Minister, she was invited to be the hostess at three state occasions, when his wife was out of the country.

Death Green died in Camberwell in 1984.