G. H. MacDermott

Gilbert Hastings MacDermott (born John Farrell; 27 February 1845 – 8 May 1901) was an English comic singer or lion comique, who was one of the biggest stars of the Victorian English music hall. He performed under the name of The Great MacDermott, and was well known for his rousing rendition of the song known from its chorus as "By Jingo!".