When Domenico Andrea Piras was born on 29 May 1902, in Silì, Cagliari, Sardinia, Italy, his father, Salvatore Piras, was 41 and his mother, Maria Grazia Madeddu, was 32. He married Severina Iolanda Piras on 11 April 1929, in Silì, Cagliari, Sardinia, Italy. They were the parents of at least 1 son and 3 daughters. He died on 30 April 1983, in Silì, Oristano, Cagliari, Sardinia, Italy, at the age of 80.