Augusto Moreira de Oliveira was born in Guetim, Espinho, Aveiro District, Portugal on 6 October 1896.
As of his 111th birthday in 2007, Moreira de Oliveira was reported to be lucid but required help in communicating with his family. He was able to bathe himself and was able to walk around. He was able to walk for 5 kilometres at the age of 100 and was working on his land until the age of 108. He took medications for blood circulation. He drank a glass of wine daily and was a fan of the Porto FC and was even gifted a bottle of wine from the chairman of Porto FC, Jorge Nuno Pinto da Costa. He had hearing problems but enjoyed independence and woke up at about 8-9 AM.
He died on 13 February 2009 at the age of 112 years, 130 days due to respiratory problems associated with influenza. He died in Grijó, Vila Nova de Gaia, Porto District, after having lived there for 15 years.