Chevalier William Henry Grattan Flood (1857-1928) was a renowned musicologist and historian. As a writer and ecclesiastical composer, his personal contributions to Irish musical form produced enduring works. As an historian his output was prolific on topics of local and national historical or biographical interest. Grattan Flood was given the title Chevalier by Pope Benedict XV in 1917. His works include: A History of Irish Music (1905), The Story of the Harp (1905) and The Story of the Bagpipe (1911).