Background
Maurice was the son of Irish born wine and spirit merchant John Augustus O'Shea (d1912) and Leontine Frances, née Beaucher.
Maurice was the son of Irish born wine and spirit merchant John Augustus O'Shea (d1912) and Leontine Frances, née Beaucher.
Maurice completed his secondary schooling at Riverview College. He then studied winemaking at Montpellier University and, in 1917, enrolled at the Institut National Agronomique Paris-Grignon where he studied viticulture and oenology He returned to Australia in 1920.
Maurice O'Shea died on 5 May 1956 of lung cancer even though he did not smoke. He is buried at Gore Hill Cemetery, Sydney. A biography of Maurice O'Shea was written in 2006 by wine writer Campbell Mattinson.
In 1925 Maurice began making wine on his family's vineyard, which he named Mount Pleasant, in Pokolbin in the Hunter Valley in New South Wales. In 1932 O'Shea sold half of this business to McWilliams Wines Pty Ltd. O'Shea stayed on as Manager and Director of the new subsidiary Mount Pleasant Wines Pty Ltd.
In 1941 he sold the remaining half of the business and stayed on as manager and winemaker. The names included "Elizabeth", "Henry" and "George". McWilliams Mt. Pleasant 'Elizabeth' Semillon is still made.
O'Shea most often made very small quantities of wine, often only one 2,275 litre cask.