Born in Ottawa. He served in the Royal Canadian Navy during the First World War. He completed a law degree in 1922 and in the same year attended live model drawing classes at the Ontario College of Art, under the aegis of JW Beatty. He developed a style of decorative realism in his painting. He taught at the Montreal Museum of Fine Arts. He became an associate of the Royal Canadian Academy in 1936 and a full member in 1947. He served as president of the RCA from 1964 to 1967.
 Beament served in the navy in World War I before moving to Montreal, where he was a graphic designer, teacher, and peacetime division commander of the RVMRC. He enlisted again in 1939, and from 1943 to 1947 he was an official war artist. From 1964 to 1967, he was President of the Royal Canadian Academy of Arts.
 Born in 1898, in Ottawa, Ontario, and deceased in 1984, Harold Beament painted landscapes typical of Quebec, with an emphasis on seasonal characteristics, among which obviously the various phenomena due to winter, its approach to autumn or to its spring remoteness.