Arthur Nicholas Whistler Colahan (12 August 1884 – 15 September 1952) was an Irish doctor, British Army officer and songwriter Born in Enniskillen, County Fermanagh, Ireland his family moved to Galway, where he grew up. Arthur was the eldest child of Professor Nicholas Whistler Colahan (1853-1930) and Elisabeth Quinn of Limerick (b.c.1866). After Arthur was born Ethel (1885–91) Randloph (aka Roland, 1892-1913), Mary (b. 1895), Annie Elzie (b. 1896) and Elizabeth Grace Colohan (born 1897, married Richard Quinn in 1929). He was a relative of John Fallon Colohan, John Colohan, and Colin Colohan.