Belfast News-Letter, 4 Apr.1918: Second-Lieutenant Hayden, Royal Irish Rifles, who is suffering from wound and slight gas poisoning, is son of Mr. Thomas Hayden, 4, Ashley Avenue, Belfast. One his brothers, Arnold Hayden, the Y.C.V.’s, was killed in action May, 1916, and another brother, Second-Lieutenant W. A. Hayden, of the Central Antrim ...