Father Aloysius Bertrand was born on September 9, 1917 in Hooper, Colorado. He spent his childhood in Delta. Following high school he graduated from St. Thomas Seminary.
In 1943, Father Bertrand's career in the priesthood began. He was a parish priest in La Junta, Ouray, Gunnison, Fruita, Durango, Montrose and Grand Junction. He was also the chaplain of St. Mary's Hospital for many years.
Father Bertrand died June 29, 2008 at the age of 90 in Grand Junction. He is buried at the Calvary Cemetery in Orchard Mesa.